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rat fink

noun

Definition of rat fink

: fink, informer
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Examples of rat fink in a Sentence

who's the sorry rat fink that went squealing to the cops? regrets ever doing business with that rat fink, who cheated him out of gobs of money

First Known Use of rat fink

1964, in the meaning defined above

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More from Merriam-Webster on rat fink

Rhyming Dictionary: Words that rhyme with rat fink

Thesaurus: All synonyms and antonyms for rat fink

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