to play foolishly or mischievously.

to make the object of scornful laughter; to make fun of; to deride.

to be hallucinated; to have a false perception or conception; to be mislead.

the action of a hallucinated man.

the action of a mean fellow.

a foolish action; a stupid act.

the mischievous actions of ghosts and evil spirits.

an act of opposing or contradicting a statement.