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rat fink

NOUN

snake in the grass

Synonyms

WEAK

Pandora's box backstabber creep pitfall rat skunk snake sneak trap villain viper weasel

NOUN

stool pigeon

Synonyms

WEAK

agent provocateur betrayer blabbermouth canary decoy deep throat double-crosser fink informant informer narc nark plant police informer rat shill sneak snitch snitcher source spy squealer stoolie tattler tattletale tipster turncoat weasel whistle-blower