"fink" in the noun sense
1. fink, snitch, snitcher, stoolpigeon, stool pigeon, stoolie, sneak, sneaker, canary
someone acting as an informer or decoy for the police
"fink" in the verb sense
1. fink, scab, rat, blackleg
take the place of work of someone on strike
2. confess, squeal, fink
confess to a punishable or reprehensible deed, usually under pressure
Source: WordNet® (An amazing lexical database of English)
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