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English definition of “cock-up”

cock-up

noun [C] uk   /ˈkɒk.ʌp/ us    /ˈkɑːk-/ UK slang
something that is done wrong or badly: Gerry's made a right cock-up with/of those figures! So it was delivered to the wrong place? What a cock-up!FailuresAccidents and disastersHigher and lower points of achievement
(Definition of cock-up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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