have one's back up
English
Pronunciation
Audio (AU) (file)
Verb
have one's back up
- (idiomatic) To be angry or defensive.
- He's had his back up all morning. There's no point in trying to talk to him.
Synonyms
- get one's dander up, get one's Irish up
See also
- put someone's back up
- raise someone's hackles
- ruffle some feathers
- get someone's back up