Switching Lactose free milk with real milk
Umm. Do you mean senior 'citizens'? Cuz if you do, I think it'd be hilarious to see them teepee someone's house. Lol
light a match
Rubber band the sprayer nozzle on the sink and when they turn on the water they get douched !
The good old plastic wrap on the toilet bowel
If you HATE the old fart - Switch the Preperation H with Ben Gay.
OK put plaster of paris intheir metamucil