stool pigeon

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stool pigeon

1. a living or dummy pigeon used to decoy others
2. an informer for the police; nark
References in periodicals archive ?
Then one day Tony was escorting his daughter, Meadow (Jamie-Lynn Sigler), on a New England college tour when he spotted a stoolie who had squealed on him to the cops.
Helmer Marra turns his camera onto three players in the Appellate Court as they half-heartedly examine the legality of wiretapped evidence against a Camorra associate convicted of murdering a stoolie.
Robertson turned police stoolie in Bullets or Ballots to bring down the kind of criminal kingpin he had portrayed in Little Caesar (1930).
Whether or not an inside informer is viewed by the public as a hero standing up for what is right, or as a stoolie with ulterior motives, is often a matter of perspective.