cut it out
To stop doing something. Often used as an imperative. Come on, man, cut it out! We'll totally get in trouble if you keep throwing the ball in the house! If they don't cut it out soon, I'm going to go up there and give them a piece of my mind.
Cut it out!
Inf. Stop doing that!; Stop saying that! (Fixed order.) Sue: Why, I think you have a crush on Mary! Tom: Cut it out! "Cut it out!" yelled Tommy as Billy hit him again.