To express one's feelings through disruptive actions.
Used other than figuratively or idiomatically: see act, out.
To express ideas or desires through actions rather than words.
To perform a scene from a play, a charade or an exercise.
To perform a fantasy in reality.
To perform something specific.
To communicate with (someone) by means of a signal.
To furnish (a traffic intersection) with a traffic signal.
To indicate; to be a sign of.