A playful or frisky movement; an odd, foolish, or capricious act or practice; an antic. Also: a piece of fun, an amusement or entertainment. Obsolete.

In plural. Grotesque, absurd, or amusing gestures or actions; silly, foolish, or outrageous behaviour.

Foolish gestures or antics. Occasionally treated as singular.

a mischievous, foolish, or underhand trick or act; an antic; usually in plural.

A prank, a caper; a disturbance, ‘row’, ‘shindy’; esp. in to cut (up) didoes.

(a) unimportant, repetitive, or unsatisfying work; (b) = monkey business, n.

A trick, prank, antic; a ruse, wile. Chiefly in plural, esp. in to cut (up) monkeyshines.

Mischief, trickery; fooling around. Cf. monkey, v. 2.

Nonsense, deception; foolishness, fuss, exaggeration; (also) an instance of this; a prank, a trick.