Do any of the following:1. Lock him in your closet.2. Duck tape him and tie him in the chair.3. Grab his Nerf gun and shoot him 10 times.4. Yell at him when he kicks your friend in the balls.Profit.
Tell him to alt F4.
Lol
Nah.
Slap him in the back of the head and threaten to do it every time he acts like a brat :D