From Longman Dictionary of Contemporary Englishbang somebody/something ↔ up phrasal verb informal1 SCJSCP British English to put someone in prison2 DAMAGE American English to seriously damage something a banged-up old Buick → bang→ See Verb table
Examples from the Corpus
bang up• And he banged the gun up and down on the gate.• The banging kept up at the door.• Giovanna was in the house, banging the washing up unhappily into a bowl of chlorinated water.bang-upˈbang-up adjective American English informal GOOD/EXCELLENTvery good He did a bang-up job fixing the plumbing.Examples from the Corpus
bang-up• They did a bang-up job on the display.