swelled head
US /swɛld hɛd/
UK /swɛld hɛd/

1.
sombong, besar kepala
a person who has an exaggerated opinion of their own importance, ability, or attractiveness
:
•
After winning the award, he got a bit of a swelled head.
Setelah memenangkan penghargaan, dia sedikit sombong.
•
Don't let success give you a swelled head.
Jangan biarkan kesuksesan membuatmu sombong.