adjective
(of the arms) With a crook or bend; with the hand on the hip and elbow turned outward.
(of the legs) With legs spread and the knees bent in an outward or awkward way, sometimes with the feet touching.
adverb
Into, in, or of the position where the arms are akimbo.
Of weapons, especially firearms: one held in each hand.
verb
(video games, slang, transitive) To wield (two weapons), one in each hand.