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English definition of “fink on sb”

fink on sb

US old-fashioned slang
verb uk phrasal verb with fink   /fɪŋk/ us  
to tell other people secret and damaging information about someoneRevealing secrets and becoming known
(Definition of fink on sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “fink on sb”

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