He always acts angry because he has a chip on his shoulder.
chip on one's shoulder
idiomA habitually combative attitude, usually because of a harbored grievance, a sense of inferiority, or a desire to prove something.
Origin
disputed originThe saying originated during the 19th century in the United States, where people wanting a physical fight would carry a chip of wood on their shoulder, daring others to knock it off.
Ever since he was passed over for the promotion, he has had a chip on his shoulder and argues with everyone.
Despite his undeniable success in the industry, he carried a chip on his shoulder that made him interpret every piece of constructive criticism as a personal attack.
- 01
abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
ace up one's sleeve
A surprise advantage of which others are not aware.
- 03
act one's age
To behave in a manner appropriate to one's age.
- 04
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 05
afraid of one's own shadow
Exceptionally timid.
- 06
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 07
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
- 08
albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.