1. Snobbish; pretentiously superior
   "He wasn't like that other jumped-up toffee-nosed warehouse lad they sent"

See also: bigheaded, pernickety [Brit, informal], private, snobbish, snooty [informal], snot-nosed [informal], snotty [informal], stuck-up [informal], too big for one's breeches [informal], uppish [informal]