get above yourself
US /ɡet əˈbʌv jʊərˈself/
UK /ɡet əˈbʌv jʊərˈself/

1.
kendini beğenmek, havalara girmek
to think that you are better or more important than you really are
:
•
After his promotion, he started to get above himself, treating his old colleagues poorly.
Terfisinden sonra kendini beğenmeye başladı, eski meslektaşlarına kötü davrandı.
•
Don't get above yourself just because you won one game.
Sadece bir oyun kazandın diye kendini beğenme.