| Forbidden insults have included coward, guttersnipe, hooligan, rat, stool pigeon, swine, and traitor. |
| He's also a drugs baron and when she interrupts him in the process of rubbing out a stool pigeon, she has to run for her life. |
| When a mob mastermind decides to turn stool pigeon and squawk, it's up to the S.W.A.T. team to protect him. |
| When the stool pigeon once more stood in the doorway, rattling his half dollars, they followed him into the den of the tiger. |
| I've been expecting just this thing ever since you began playing the game with Conway there as a stool pigeon. |
| Of course, it was possible that Kurt was a stool pigeon, leading him on as a test. |
