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screw sb up

informal phrasal verb with screw
 
 
/skruː/ verb

Definition

When bad experiences or people screw you up, they make you worried and unhappy or they damage your personality: It really screwed him up when he saw his friend get killed.Science of psychology and psychoanalysisMind and personalityMaking people sad, shocked and upset
(Definition of screw sb up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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