What is the meaning of Act_out?

To perform something specific.

1. To perform a scene from a play, a charade or an exercise.

   To perform a scene from a play, a charade or an exercise.

   To perform a fantasy in reality.

   To express internal feelings or thoughts.

   1. To express one's feelings through disruptive actions.

      To express one's feelings through disruptive actions.

      To express ideas or desires through actions rather than words.

      Used other than figuratively or idiomatically: see act,‎ out.

      Source: wiktionary.org