Top 45 Slang For Witness – Meaning & Usage

Witnesses play a crucial role in many aspects of life, from legal proceedings to everyday encounters. Ever wondered what are some of the popular slang terms used to refer to them? Join us as we uncover the top slang for witness that you may come across in various conversations. Stay tuned to boost your slang vocabulary and stay in the know!

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1. Snitch

A snitch is someone who provides information to the authorities or someone in power, usually in exchange for leniency or personal gain. It is often used to describe someone who betrays their friends or associates.

For example, in a crime movie, a character might say, “I can’t trust him, he’s a snitch.”
In a conversation about criminal activity, someone might warn, “Don’t snitch unless your life is in danger.”
A person discussing loyalty might say, “Real friends don’t snitch on each other.”

2. Rat

A rat is a slang term for a person who betrays or informs on others, often for personal gain or to avoid punishment. It is commonly used to describe someone who gives information to the police or authorities.

For instance, in a gangster movie, a character might say, “He’s a rat, don’t trust him.”
In a discussion about crime, someone might say, “Rats are despised in the criminal underworld.”
A person warning about potential informants might say, “Watch out for rats, they’ll sell you out in a heartbeat.”

3. Stoolie

A stoolie is a slang term for an informant or someone who provides information to the police or authorities. It is often used to describe someone who betrays their friends or associates for personal gain or to avoid punishment.

For example, in a detective novel, a character might say, “We need a stoolie to crack this case.”
In a conversation about criminal activity, someone might say, “No one wants to be seen as a stoolie.”
A person discussing trust might say, “Once a stoolie, always a stoolie.”

4. Fink

A fink is a slang term for a person who betrays or informs on others, often for personal gain or to avoid punishment. It is commonly used to describe someone who gives information to the police or authorities.

For instance, in a crime movie, a character might say, “He’s a fink, don’t trust him.”
In a discussion about crime, someone might say, “Finks are despised in the criminal underworld.”
A person warning about potential informants might say, “Watch out for finks, they’ll stab you in the back.”

5. Tattletale

A tattletale is a slang term for someone, often a child, who reports the misbehavior or wrongdoing of others to an authority figure. It is often used to describe someone who tells on their peers or friends.

For example, in a school setting, a teacher might say, “No one likes a tattletale.”
In a conversation about children’s behavior, someone might say, “Don’t be a tattletale, handle your own problems.”
A person discussing trust might say, “Tattletales are not trusted in social circles.”

6. Narcs

Narcs, short for narcotics officers, are undercover police officers or informants who gather information on illegal activities, particularly related to drugs.

For example, “The narcs infiltrated the drug ring and gathered evidence for the arrest.”
In a conversation about drug enforcement, one might say, “The narcs play a crucial role in taking down major drug operations.”
A person might use the term in a sentence like, “I heard the narcs are cracking down on drug trafficking in the city.”

7. Witness

A witness is someone who has seen or has knowledge of an event and can provide information or testimony about it.

For instance, “The witness identified the suspect in a police lineup.”
In a court case, a lawyer might ask, “Can you please describe what you witnessed on the night of the incident?”
A news report might state, “Several witnesses came forward to provide crucial information about the crime.”

8. Tipster

A tipster is someone who provides information or tips to authorities, often anonymously, in order to help with investigations or solve crimes.

For example, “The tipster provided key information that led to the arrest of the suspect.”
In a discussion about crime prevention, one might say, “It’s important for the public to feel comfortable being tipsters and reporting suspicious activities.”
A news article might mention, “The police are urging tipsters to come forward with any information related to the case.”

9. Stool pigeon

A stool pigeon is an informant or someone who betrays others by providing information to the authorities, often in exchange for personal gain or to avoid punishment.

For instance, “He was labeled a stool pigeon after testifying against his former gang members.”
In a conversation about criminal organizations, one might say, “Stool pigeons play a dangerous game, as they are often targeted for retaliation.”
A crime movie might depict a character saying, “I can’t trust anyone. Too many stool pigeons around.”

10. Snitcher

A snitcher is a person who informally reports wrongdoing to authorities, often to gain favor or to avoid trouble themselves.

For example, “He’s known as a snitcher because he’s always reporting on his coworkers.”
In a discussion about ethics, one might say, “Some people view snitchers as heroes, while others see them as betraying trust.”
A person might use the term in a sentence like, “I can’t believe he snitched on his friends just to save himself.”

11. Grass

This term refers to someone who provides information or evidence to the police or authorities about criminal activities or individuals involved in criminal activities. “Grass” is often used in the context of someone betraying their associates or cooperating with law enforcement.

For example, in a crime novel, a character might say, “The grass gave up the location of the hideout.”
In a conversation about organized crime, someone might mention, “They had to rely on a grass to bring down the gang.”
A detective might refer to an informant as “a valuable grass in the underworld.”

12. Stool

This term is used to describe someone who provides information to the police or authorities about criminal activities or individuals involved in criminal activities. “Stool” is often used in a derogatory manner to imply betrayal or disloyalty.

For instance, in a movie about street gangs, a character might say, “Nobody likes a stool.”
In a discussion about the criminal justice system, someone might argue, “Snitches are often seen as unreliable witnesses.”
A person might warn their friends, “Don’t trust him, he’s a known stool.”

13. Tweeter

This term refers to someone who witnesses or observes an event or situation. “Tweeter” is often used to describe someone who is present during an incident and can provide information or testimony about what happened.

For example, during a trial, a lawyer might ask a witness, “As a tweeter, did you see the defendant at the scene of the crime?”
In a news report, a journalist might say, “According to a tweeter at the scene, the suspect fled on foot.”
A police officer might ask a bystander, “Were you a tweeter during the incident?”

14. Tweaker

This term is used to describe someone who witnesses or observes an event or situation. “Tweaker” is often used in a colloquial manner to refer to someone who is present during an incident and can provide information or testimony about what happened.

For instance, in a courtroom, a lawyer might ask a witness, “As a tweaker, did you see the defendant at the scene of the crime?”
In a news report, a journalist might say, “According to a tweaker at the scene, the suspect fled on foot.”
A police officer might ask a bystander, “Were you a tweaker during the incident?”

15. Teller

This term refers to someone who has seen an event or situation firsthand and can provide a detailed account or testimony about what occurred. “Teller” is often used in legal contexts to describe a witness who can provide important information about a crime or incident.

For example, during a trial, a lawyer might ask an eyewitness, “As a teller, can you describe what you saw on the night of the incident?”
In a news interview, an eyewitness might say, “I was the teller who saw the suspect leave the scene of the accident.”
A detective might rely on a teller’s testimony to build a case against a suspect.

16. Squeaker

Refers to a young person who is a witness to a crime or event. The term “squeaker” is often used to describe a child or teenager who may not fully understand the gravity of the situation.

For example, in a courtroom, a lawyer might ask, “Did the squeaker witness the entire incident?”
In a news report about a crime, a journalist might say, “According to a squeaker on the scene, the suspect was wearing a red hoodie.”
A detective might comment, “We need to interview the squeaker to get more details about what happened.”

17. Squeaky wheel

Refers to a witness who is vocal and persistent in sharing information or demanding attention. The term “squeaky wheel” is often used to describe someone who is not easily ignored.

For instance, a witness who keeps calling the police to provide additional information might be referred to as a “squeaky wheel.”
In a discussion about a high-profile case, someone might say, “The squeaky wheel witnesses are the ones who often bring new evidence to light.”
A detective might comment, “We need to pay attention to the squeaky wheel witnesses, as they might have key information.”

18. Squeak

Refers to a witness who provides information or evidence to the authorities. The term “squeak” is often used to describe someone who “squeals” or “snitches” on others.

For example, a detective might say, “We received a tip from a squeak who claims to have witnessed the crime.”
In a discussion about criminal investigations, someone might comment, “Informants or squeaks can play a crucial role in solving cases.”
A journalist might report, “The police are relying on squeaks to help them gather more information about the suspects.”

19. Squeal

Refers to a witness who reveals information or secrets, often against the wishes or interests of others. The term “squeal” is often used to describe someone who “rats out” or betrays others.

For instance, a witness who testifies against a criminal in court might be referred to as a “squeal.”
In a discussion about loyalty, someone might say, “Nobody likes a squeal who can’t keep their mouth shut.”
A lawyer might argue, “The defendant cannot be convicted solely based on the testimony of a squeal.”

20. Squawk

Refers to a witness who complains or protests about a situation or event. The term “squawk” is often used to describe someone who is vocal and critical.

For example, a witness who constantly voices their dissatisfaction with the legal process might be referred to as a “squawk.”
In a discussion about witnesses in a trial, someone might comment, “The squawk witnesses can sometimes disrupt the proceedings with their constant complaints.”
A journalist might report, “The squawk witness took the stand and criticized the police investigation.”

21. Squawker

This term refers to a person who provides information or tips to law enforcement or authorities, often in exchange for leniency or protection. “Squawker” is a slang term used to describe someone who “squeals” or “sings” to the authorities.

For example, in a crime movie, a character might say, “We need to find out who the squawker is before they rat us out.”
In a discussion about organized crime, someone might mention, “Informants play a crucial role in bringing down criminal organizations.”
A news article might describe a witness as a “squawker” if they are providing information to the police.

22. Nark

Similar to “squawker,” this term also refers to a person who provides information to the authorities or law enforcement. “Nark” is a slang term often used in the context of criminal activities.

For instance, a character in a detective novel might say, “I need to find a nark who can give me insider information.”
In a discussion about drug enforcement, someone might mention, “Undercover agents often pose as narks to gather evidence.”
A news article might use the term “nark” to describe a witness who helped solve a major crime.

23. Snout

This term is slang for a person who acts as an informant or provides information to the police or authorities. “Snout” is a derogatory term that implies betrayal or being a “rat.”

For example, in a crime TV show, a detective might refer to a witness as a “snout” when discussing their cooperation with the police.
In a discussion about criminal investigations, someone might say, “It’s important to protect the identity of snouts to ensure their safety.”
A news article might describe a witness as a “snout” if they played a crucial role in solving a high-profile case.

24. Insider

This term refers to a witness who has firsthand or inside knowledge about a particular event or situation. An “insider” witness is someone who was directly involved or has access to privileged information.

For instance, in a court case, a lawyer might ask a witness, “As an insider, can you provide details about what happened?”
In a discussion about corporate scandals, someone might say, “Insider witnesses are crucial in exposing fraudulent activities.”
A news article might describe a whistleblower as an “insider” witness if they have information about wrongdoing within an organization.

25. Plant

In the context of slang for witnesses, “plant” refers to an undercover witness who infiltrates a criminal organization or a specific group to gather information for law enforcement. This term implies that the witness is “planted” or placed strategically to gather evidence.

For example, in a crime novel, a character might say, “We need to find out if there’s a plant within our organization.”
In a discussion about undercover operations, someone might mention, “Plants are highly trained individuals who risk their lives to gather crucial information.”
A news article might describe a witness as a “plant” if they played a key role in dismantling a criminal network through their undercover work.

26. Mole

A mole is a slang term for a person who provides information to the authorities or law enforcement about criminal activities or other illegal actions. It is often used to describe someone who is secretly working as an informant or spy.

For example, “The police were able to make the arrest thanks to information from a mole within the gang.”
In a discussion about undercover operations, someone might say, “Moles play a crucial role in gathering intelligence.”
A crime TV show might have a character say, “We need to find out who the mole is before they compromise the entire operation.”

27. Lookout

A lookout is a person who keeps watch or acts as a guard to watch out for any potential threats or dangers. In slang terms, it can refer to someone who is keeping an eye out for law enforcement or other authorities during illegal activities.

For instance, “The lookout warned the group when he saw the police approaching.”
In a conversation about organized crime, someone might say, “Lookouts are essential to ensure the safety of the operation.”
A character in a heist movie might say, “We need a lookout to keep an eye on the entrance while we’re inside.”

28. Ratted out

To rat out someone means to betray or expose them, especially by providing information or evidence to authorities or law enforcement. It is often used to describe someone who informs on others, often for personal gain or to avoid punishment themselves.

For example, “He ratted out his partners to get a lighter sentence.”
In a discussion about loyalty, someone might say, “I would never rat out my friends, no matter what.”
A character in a crime novel might say, “He’s a known rat, always willing to sell out anyone for his own benefit.”

29. Singing

To sing is a slang term for confessing or providing information to authorities or law enforcement. It is often used to describe someone who is cooperating with the police or other officials and revealing details about criminal activities or other illegal actions.

For instance, “He started singing as soon as he was arrested.”
In a conversation about criminal investigations, someone might say, “Once they start singing, the whole operation unravels.”
A character in a crime TV show might say, “We need to put pressure on him to get him to start singing.”

30. Dropping dimes

Dropping dimes is a slang term for snitching or providing information to authorities or law enforcement. It refers to the act of sharing details about criminal activities or other illegal actions, often to gain favor or avoid punishment.

For example, “He dropped a dime on his former accomplices to get a reduced sentence.”
In a discussion about trust, someone might say, “You can’t trust someone who’s always dropping dimes.”
A character in a crime movie might say, “I won’t be the one dropping dimes on my friends, no matter the situation.”

31. Spilling the beans

This term refers to someone divulging information that they were not supposed to share. It often implies that the person is revealing something that others would prefer to keep hidden.

For example, “He spilled the beans about our surprise party!”
In a gossip-filled conversation, someone might say, “I can’t believe she spilled the beans about their breakup.”
A friend might ask, “Are you sure you want to spill the beans about that? It could cause a lot of trouble.”

32. Snitching

This term is often used to describe someone who provides information or evidence to authorities, usually in exchange for personal gain or to avoid trouble themselves. It carries a negative connotation and is often associated with betrayal.

For instance, “He’s known for snitching on his friends to get a lighter sentence.”
In a crime-related discussion, someone might say, “Snitching goes against the code of loyalty among criminals.”
A person might warn their friend, “Don’t trust him, he’s been known to snitch.”

33. Telling tales

This term refers to someone who shares stories or information, typically about others, often with the intention of causing trouble or getting someone in trouble. It implies a sense of gossip or spreading rumors.

For example, “She’s always telling tales about her classmates.”
In a conversation about workplace drama, someone might say, “I heard she’s been telling tales about our boss.”
A parent might scold their child, “Stop telling tales on your siblings and learn to work things out.”

34. Testifier

This term refers to a person who provides testimony or evidence in a court of law or other legal proceedings. It emphasizes the role of the witness in sharing their knowledge or experiences.

For instance, “The testifier provided crucial evidence that helped convict the defendant.”
In a discussion about the justice system, someone might say, “The credibility of the testifier is essential for a fair trial.”
A lawyer might ask their client, “Do you have any potential testifiers who can support your case?”

35. Informant

This term is often used to describe someone who provides information or tips to law enforcement or other authorities. It implies a level of cooperation or agreement between the informant and the authorities.

For example, “The informant helped the police solve the case.”
In a discussion about organized crime, someone might say, “Informants play a crucial role in dismantling criminal organizations.”
A detective might ask their informant, “Can you provide any additional information about the suspect’s whereabouts?”

36. Eyewitness

An eyewitness is someone who personally sees or observes an event or incident. They have direct knowledge and can provide firsthand information about what they witnessed.

For example, in a court case, an eyewitness might testify, “I saw the defendant enter the store and steal the merchandise.”
A news reporter might interview an eyewitness and ask, “Can you describe what you saw at the scene of the accident?”
Someone might say, “I was an eyewitness to the car crash and can provide a detailed account of what happened.”

37. Observer

An observer is someone who watches or pays attention to an event or situation. They may not have direct involvement or firsthand knowledge, but they can still provide valuable insights or observations.

For instance, a sports commentator might say, “The observers in the stadium are witnessing an intense match.”
During a protest, a journalist might interview an observer and ask, “What are your thoughts on the demonstration?”
Someone might comment, “As an observer, I noticed the suspect acting suspiciously before the crime occurred.”

38. Testimony

Testimony refers to a formal or official statement given under oath or affirmation. It is typically provided in a legal setting, such as a courtroom, and is used to provide evidence or information about a particular event or situation.

For example, a witness might give testimony in a trial and say, “I swear to tell the truth, the whole truth, and nothing but the truth.”
A lawyer might question a witness during cross-examination and ask, “Can you clarify your previous testimony?”
Someone might say, “The witness’s testimony was crucial in convicting the defendant.”

39. Bystander

A bystander is someone who is present at an event or incident but is not directly involved or participating. They may witness what is happening but may not have a personal connection to the situation.

For instance, during a street fight, a bystander might shout, “Someone call the police!”
In a crowded market, a bystander might observe a pickpocket in action and say, “I saw the whole thing!”
Someone might comment, “As a bystander, I felt helpless watching the accident unfold.”

40. Spectator

A spectator is someone who watches a performance, event, or activity for entertainment or enjoyment. They may observe the proceedings without actively participating or having any personal involvement.

For example, at a football game, the spectators cheer for their favorite team.
During a theater performance, a spectator might comment, “The actors’ performances were outstanding.”
Someone might say, “As a spectator, I was captivated by the acrobatic stunts in the circus show.”

41. Onlooker

An onlooker is someone who watches an event or situation without actively participating. This term is often used to describe someone who witnesses something from a distance.

For example, during a protest, there may be onlookers watching from the sidelines.
In a crowded park, you might see onlookers gathered around a street performer.
A bystander watching a fight could be referred to as an onlooker.

42. Looker

A looker is someone who observes or watches something closely. This term is often used to describe someone who is paying attention to details or closely monitoring a situation.

For instance, a detective investigating a crime might be referred to as a looker.
In a game of poker, a player who watches others closely for tells could be called a looker.
A teacher who closely observes their students’ behavior might be considered a looker.

43. Viewer

A viewer is someone who watches a performance, event, or situation. This term is often used to describe someone who is watching something for entertainment or informational purposes.

For example, a viewer might watch a live sports game on television.
In a theater, the audience members are viewers of the play.
A person watching a documentary on wildlife could be referred to as a viewer.

44. Beholder

A beholder is someone who sees or witnesses something. This term is often used to describe someone who is present during an event or situation.

For instance, a witness to a crime could be called a beholder.
In a court of law, a person who testifies about what they saw is considered a beholder.
A person who sees a car accident and provides a statement to the police would also be considered a beholder.

45. Gazer

A gazer is someone who stares or gazes at something for an extended period. This term is often used to describe someone who is captivated by or fascinated with what they are looking at.

For example, a stargazer is someone who gazes at the stars in the night sky.
A person who spends a lot of time admiring a piece of artwork could be called a gazer.
Someone who can’t take their eyes off a beautiful sunset might also be referred to as a gazer.