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English definition of “mess sb up”

mess sb up

(CAUSE PROBLEMS) phrasal verb with mess     /mes/ verb
to cause someone to suffer emotional and mental problems: Drugs can really mess you up.Making people sad, shocked and upsetScience of psychology and psychoanalysisMind and personality
(Definition of mess sb up (CAUSE PROBLEMS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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