“Stoolie” is an informal American slang word for an informer, especially someone who gives information to the police or authorities. It is closely associated with “stool pigeon” and usually carries a negative suggestion of betrayal or disloyalty.
The word is most often heard in conversations about crime, police investigations or people who reveal information about others. It can also be used more loosely for someone who tells on another person.
What Does Stoolie Mean?
Stoolie means a person who informs on someone else, particularly to the police.
The meaning is casual and can commonly have a derogatory undertone. In some situations a stoolie can refer to an informant as a fink, rat, or whistling.
As Collins, stoolie is another term for stool pigeon. An entering from the American Heritage Dictionary states it’s a slang term for a stool pigeon.
Stoolie term is used when someone gives the police with information about someone else without the person’s knowledge.
For instance: The gang thought that someone was a stoolie, talking to the cops.
The word, in no way, necessarily inform us of what the person has done legally. It merely informs us of the view of the person uttering the word on the person’s role as an informer.
What is the Origin of the Word Stoolie?
Stoolie comes from the older expression “stool pigeon.”
A stool pigeon originally referred to a live or artificial pigeon used as a hunting decoy. The expression later developed a second meaning for a person who acted as a decoy or informer, particularly for police. Stoolie became the shorter slang form.
Dictionary.com traces stooly to “stool (pigeon) + -y,” while Collins gives the same connection between stoolie, stooly and stool pigeon.
The expression has therefore moved a long way from its original hunting meaning. The modern use refers to a person rather than a bird.
Is Stoolie a Slang Word?
Yes. “Stoolie” is an informal slang term, particularly associated with American English. It is not normally the word you would use in formal writing when simply describing someone who provides information to authorities.
A formal report would generally use informant or source, depending on the circumstances.
“Stoolie,” by contrast, sounds much more personal and judgmental.
Compare:
- Formal: The police worked with an informant.
- Informal: The gang thought he was a stoolie.
- Stronger slang: They accused him of being a snitch.
The choice of word changes the tone even when the basic idea is similar.
What Are the Synonyms for Stoolie?
Common synonyms for stoolie include:
- Informant
- Informer
- Snitch
- Snitcher
- Stool pigeon
- Fink
- Nark
- Rat
- Squealer
- Canary
Thesaurus sources list informer, snitch, stool pigeon, fink, canary and related terms as synonyms or closely related words.
These words are not always interchangeable in tone. Informant is relatively neutral, while rat, snitch and stoolie can suggest disapproval or betrayal.
Is a Stoolie the Same as a Snitch?
Not exactly, although the words often overlap.
A stoolie is usually someone that is giving information about what someone else is doing, mainly in the police and criminal worlds, the definition of snitch is wider and could mean anyone that reports to anyone else.
For instance, recording a crime to the police does not tend to automatically designate someone a stoolie to a neutral voice. Instead, this carries a connotation of accusation, usually in the form of gutter slang.
The difference is mainly context and tone, rather than a completely different definition.
What is the Difference Between a Stoolie and an Informant?
“Informant” is the more neutral term; “stoolie” is slang and usually carries a negative tone.
Law-enforcement sources may use informant when referring to someone who provides information. Calling that person a stoolie adds a judgment about the relationship between the informer and the people being reported.
This difference is useful when reading crime stories or older books because the word stoolie may tell you as much about the speaker’s attitude as it does about the person being described.
How Do You Use Stoolie in a Sentence?
Below are several natural examples:
- The criminals believed there was a stoolie in the group.
- He was accused of being a stoolie after the police learned details that only the group knew.
- Nobody wanted to be labeled a stoolie.
- The detective received information from a stoolie.
- The gang suspected their newest member was a stoolie.
The word normally functions as a noun.
There is also a less common verb use. Historical slang references record “stoolie” as a verb meaning to give information or evidence, usually to the police, although this usage is much less common than the noun.
What Does Stoolie Mean in Slang?
In slang, stoolie generally means “snitch,” “rat” or “police informer.”
The word can be serious in a crime-related conversation, but people can also use it loosely or jokingly when someone tells another person something they were expected to keep quiet.
For example: “You told Mom I came home late? You’re such a stoolie.”
Here, the speaker is using the word playfully. There is no suggestion that the person is actually working as a police informer.
That kind of context is important because slang often becomes less literal in everyday conversation.
Is Stoolie a Negative Word?
Usually, yes.
Calling someone a stoolie generally suggests that the person has betrayed a group or passed information to authorities. The American Heritage Dictionary classifies the term as slang, while thesaurus references place it alongside words such as rat, snitch and informer.
The strength of the insult depends on the setting and the speaker. In a crime drama, it can carry a serious accusation. Between friends, it may simply mean “someone who told on me.”
Stoolie vs. Stool Pigeon: Are They the Same?
Yes, in their modern slang meaning, stoolie and stool pigeon can refer to the same type of person: an informer or police informant.
“Stool pigeon” is the older expression. “Stoolie” is a shorter form that developed from it. Collins lists both terms together and gives stoolie as another name for stool pigeon.
The phrase stool pigeon also retains its older meaning of a decoy, which is why it has a more complicated history than stoolie.
What is the Plural of Stoolie?
The plural of “stoolie” is “stoolies.”
For example: The detective had several stoolies providing information about the operation.
The related spelling “stooly” also exists, with “stoolies” as its plural form. Collins lists stooly as a slang term for stool pigeon.
Quick Meaning of Stoolie
| Word | Meaning | Tone |
| Stoolie | Informer, especially a police informer | Informal, negative |
| Stool pigeon | Informer or decoy | Informal, often negative |
| Snitch | Person who tells on someone | Informal, negative |
| Rat | Someone viewed as betraying others by informing | Strongly negative |
| Informant | Person who provides information | Neutral/formal |
| Informer | Person who gives information, often secretly | Neutral to negative |
Conclusion
Stoolie means an informer or snitch, especially someone who provides information to the police. It is American slang and is closely connected to the older term stool pigeon. The word usually carries a negative suggestion of betrayal, although its tone can become lighter when people use it jokingly in everyday conversation.



