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English definition of “piss off”

piss off

UK offensive phrasal verb with piss     /pɪs/ verb [I] offensive
to leave or go away, used especially as a rude way of telling someone to go away: Everyone just pissed off and left me to clean up. Why don't you just piss off - you've caused enough problems already!Departing
(Definition of piss off from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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