A. The thing used to described the possibility of a thing that has has or hasn't happened before you get to know whether it has in fact happened or not....maybe
B. Second worst Pokemon move ever
A. As you can see, there is a probability wave of the cat being alive and one of it being dead, and also one for any stage in between or any other possible state and also for the cat not existing, and also for there to be something entirely different in the box.
B. List of worst Pokemon moves
1. Splash
2. Probability wave (the Pokemon will wave at the other Pokemon....maybe.