finks
finks
noun
Contemptible people who betray others, especially by informing on them.
"The finks were quickly identified."
verb
Informs on someone, betraying their trust or a shared secret.
"He always finks on his mates."
Thesaurus
Synonyms: sneaker, canary, stoolie, stoolpigeon, stool pigeon, sneak, snitch, snitcher, blackleg, rat, scab, confess