The main prank that we play with props is for people's birthdays. The special effects people will put a little explosive in the cake so it blows up in their face - that's always fun to play on a guest star, or one of the trainees or someone who's new. ↗
If you ever get rich and famous, by definition you are special. You have done something special, and therefore you start to behave special. Then if the floor drops out, and you become down and out, you have a really new perspective. ↗