swelled head[noun]Synonyms: conceit, amour propre, complacency, conceitedness, consequence, egoism, egotism, narcissism, pride, vainglory
[TahlilGaran] English Synonym Dictionary ▲
swelled head n.,
informal A feeling that you are very important or more important than you really are.
When John won the race, he got a swelled head.
Pretty girls shouldn't get a swelled head about it. -
[TahlilGaran] English Idioms Dictionary ▲