Английский словарь американских идиом - 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./ - swell-headed {adj. phr.} * /After he was elected captain of the team, Bob became swell-headed./ Compare: BIG HEAD.