a piece of cloth put in or over a person's mouth to prevent them from speaking or crying out.
A cloth gag was put over his mouth to stop him from speaking.
a device for keeping the patient's mouth open during a dental or surgical operation.
He or she preps the neonate's face and mouth and also the mouth gag in a circular manner, proceeding from the incision line circumferentially outward.
a joke or an amusing story or scene, especially one forming part of a comedian's act or in a film or play.
We're looking for jokes, gags , funny stories, pictures, whatever, but they must be your original work.