Main entry: fink, sneak, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon, canary
Definition: someone acting as an informer or decoy for the police
Main entry: squeal, confess, fink
Definition: confess to a punishable or reprehensible deed, usually under pressure
Main entry: fink, scab, blackleg, rat
Definition: take the place of work of someone on strike