1bang someone or something up, bang up someone or somethingNorth American Injure or damage someone or something.
- ‘I banged my knee up pretty badly’
- ‘he was banged up in his last game against the Redskins’
- ‘Gordon banged up his car earlier in the race’
2bang someone up, bang up someoneBritish Imprison someone.
- ‘they've been banged up for something they didn't do’
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