stuck-up

(verb) rob at gunpoint or by means of some other threat. Synonyms: hold up, stick up.

(verb) defend against attack or criticism. Synonyms: stand up, stick up. Examples: "He stood up for his friend." "She stuck up for the teacher who was accused of harassing the student."

(adj) (used colloquially) overly conceited or arrogant. Synonyms: bigheaded, persnickety, snooty, snot-nosed, snotty, too big for one's breeches, uppish. Examples: "A snotty little scion of a degenerate family"-laurent le sage." "They're snobs--stuck-up and uppity and persnickety."