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English definition of “do sb in”

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do sb in

verb uk phrasal verb with do   // /du/ /duː/ /duː/ (did, done) us  

(KILL)

slang to kill someone: They threatened to do me in if I didn't pay up by Friday.

(TIRE)

informal to make someone extremely tired: Playing basketball all day really did me in.
(Definition of do sb in from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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