'bigheaded' definitions:
Definition of 'bigheaded'
(from WordNet)
adjective
(used colloquially) overly conceited or arrogant; "a snotty little scion of a degenerate family"-Laurent Le Sage; "they're snobs--stuck-up and uppity and persnickety" [syn: bigheaded, persnickety, snooty, snot-nosed, snotty, stuck-up, too big for one's breeches, uppish]