bigheaded
adj 1: (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}]