Question

act something out†
1. to perform in real life a role that one has imagined in a fantasy.
  When I was onstage, I was really acting an old fantasy out.
  I acted out an old fantasy onstage.
2. to convert one's bad feelings into action rather than words.
  Don't act your aggressions out on me!
  She acted out her aggression.
3. to demonstrate or communicate something through gestures or action rather than words.
  Act your request out, if you can't say it.
   She had a sore throat and had to act out her request.