Put a rusty nail, pointy side up on his chair. Make sure you paint the nail the same colour as his chair and laugh as he dies of tetanus.
Or put superglue on his keys so that when he types his fingers get stuck on the keyboard. Or mouse.
Vandalise his lunch. Yell at him in the face.
Call his daughter up and tell her that you're her real father.
Any of the above will do.
Or put superglue on his keys so that when he types his fingers get stuck on the keyboard. Or mouse.
Vandalise his lunch. Yell at him in the face.
Call his daughter up and tell her that you're her real father.
Any of the above will do.