have a chip on one’s shoulder

(idiom) when one has a very bad attitude because one feels wronged

Example Sentences:

A: What’s wrong with our teacher? Why is she so mad?
B: She has a chip on her shoulder because all of her students were late today.

I have a chip on my shoulder because my neighbours kept me awake all night with a loud party!

Media:

Similar idioms:

1. put one’s shoulder to the wheel
2. show up
3. give someone the cold shoulder
4. rowdies
5. goings on
6. three sheets to the wind
7. wasted
8. tanked
9. smashed
10. sloshed
11. ripped
12. plastered
13. pissed
14. buzzed
15. bombed