Meaning of TOO BIG FOR ONE'S BREECHES

WordNet Dictionary
	Definition:		[adj]  used colloquially of one who is overly conceited or arrogant; "a snotty little scion of a degenerate family"-Laurent Le Sage; "they're snobs--stuck-up and uppity and persnickety"
	Synonyms:		bigheaded, persnickety, proud, snooty, snot-nosed, snotty, stuck-up, uppish