be up yourself
UK slangto think that you are better and more important than other people:
She's so up herself since she landed this new job, it's unbearable.
Thesaurus: synonyms and related words
Showing arrogance and conceit
- (as) proud as Lucifer idiom
- a cut above idiom
- airs and graces idiom
- arrogant
- as if you owned the place idiom
- brash
- cocksure
- egoistic
- egotistic
- get on your high horse idiom
- haughty
- hifalutin
- overbearing
- preen
- put on the dog idiom
- revolve
- revolve around sb/sth
- self-appointed
- self-importance
- snotty
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