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English definition of “jack sth in”

jack sth in

UK informal
verb uk phrasal verb with jack   /dʒæk/ us  
to stop doing something, often a job or something that you are not enjoying: He's jacked in his job.Causing something to endComing to an end
(Definition of jack sth in from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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