wind-up

The end or conclusion of something.

A punch line of a joke or comedy routine.

(Britain) A humorous attempt to fool somebody, a practical joke in which the victim is encouraged to believe something untrue.

(baseball) The phase of making a pitch where the pitcher moves his or her arm backwards before throwing the ball.

(television) A circular hand gesture, supposed to represent the winding on of film, used to signal to a performer to finish quickly.