This page is about the phrasal verb rough upINFORMAL
to physically attack someone, usually to intimidate or make them afraid rather than to seriously hurt them
- rough up sb Prison guards often rough up new inmates to show them who's boss.
- rough sb up If kids at your new school try to rough you up, tell me about it.
In case anyone ever tries to rough him up, Billy has been learning
Contributor: Matt Errey