get (someone's) back up

To become or cause to become angry, hostile, defensive, or irritable. John got his back up when his parents brought up the subject of college. Election season always gets my dad's back up.

Common Names:

Name	Pronounced	Usage
Gyeong-Hui	gyung-hee	Korean
Otar	-	Georgian
Jeffries	['dʒefriz]
Lino	LEE-no (Italian, Spanish), LEE-naw (Galician)	Italian, Spanish, Portuguese, Galician
Cheryl	SHER-əl, CHER-əl	English
Balchin	['bɔ:ltʃin]