(as) proud as a peacock
US /əz praʊd əz ə ˈpiːkɑk/
UK /əz praʊd əz ə ˈpiːkɑk/

1.
dumny jak paw, bardzo dumny
very proud of oneself, often in a way that is considered arrogant or boastful
:
•
After winning the competition, he was as proud as a peacock.
Po wygraniu konkursu był dumny jak paw.
•
She walked onto the stage, as proud as a peacock, to accept her award.
Weszła na scenę, dumna jak paw, aby odebrać nagrodę.