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rat fink

noun
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Definition of rat fink

: fink, informer

Examples of rat fink in a Sentence

  1. who's the sorry rat fink that went squealing to the cops?

  2. regrets ever doing business with that rat fink, who cheated him out of gobs of money

First Known Use of rat fink

1964

Learn More about rat fink

  1. See words that rhyme with rat fink

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Examples: rat fink in a Sentence