Meaning of the word "get above yourself" in English

What does "get above yourself" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

get above yourself

US /ɡet əˈbʌv jʊərˈself/
UK /ɡet əˈbʌv jɔːˈself/
"get above yourself" picture

Idiom

to think that you are better or more important than you really are

Example:
After his promotion, he started to get above himself, treating his old colleagues poorly.
Don't get above yourself just because you won one game.