hackles
noun /ˈhæklz/
  /ˈhæklz/
 [plural]Idioms - the hairs on the back of the neck of a dog, cat, etc. that rise when the animal is afraid or angryTopics Animalsc2Word Originlate Middle English (in sense (2)): variant of hatchel.
 
Idioms 
somebody’s hackles rise 
- to become angry
- Ben felt his hackles rise as the speaker continued.
 
 
make somebody’s hackles rise | raise somebody’s hackles 
- to make somebody angry
- Her controversial article is bound to raise hackles.