stool pigeon


noun

a pigeon used as a decoy.
Also called stool·ie [stoo-lee] /ˈstu li/, stooly. Slang. a person employed or acting as a decoy or informer, especially for the police.

Origin of stool pigeon

An Americanism dating back to 1820–30

Example sentences from the Web for stoolie

  • But remember, if he's a stoolie, you're the bird that's going to get it.

    Spring Street |James H. Richardson

British Dictionary definitions for stoolie

stool pigeon

noun

a living or dummy pigeon used to decoy others
an informer for the police; nark
US slang a person acting as a decoy

Cultural definitions for stoolie

stool pigeon

An informer, especially for the police: “Lefty figured out that Mugsy was the stool pigeon when he saw him talking to the warden.”

Idioms and Phrases with stoolie

stool pigeon

A decoy or informer, especially a police spy. For example, Watch out for Doug; I'm sure he's a stool pigeon for the supervisor. This term alludes to a bird tied to a stool or similar perch in order to attract other birds, which will then be shot. However, one writer believes that stool is a variant for stale or stall, both nouns used for a decoy bird before 1500 or so. [c. 1820]