(literally) With the buttocks exposed, as for a spanking or a mooning. / (by extension) Stark naked.

Alternative form of arse around / (obsolete, slang) To turn round.

(Britain, informal, vulgar) A hairstyle in which the hair is swept back along the sides of the head to meet in a point at the back, thus resembling the tail feathers of a duck.

(idiomatic, archaic, slang) to hang back, to be afraid to advance.

(slang) The wrong way round; exactly opposite to that which is desirable; contrary; conceptually inverted; wrong.

(idiomatic) One who is particularly flippant or insolent or tends to make snide remarks or jokes.

(Britain) Someone or something that is annoying or frustrating.

(Britain, New Zealand, Australia, slang, offensive) A gay man; a male homosexual.

(British spelling) Alternative spelling of kick ass

(Jamaica) A kind of fly.