Remember this scene from The Simpsons?
Bart (thinking): Good ol’ rock. Nothing beats that!
There comes a time when you know someone so well that you can always
tell which item they’re going to play in “Rock Paper Scissors”. For
that moment, I recommend Rock Paper Scissors Spock Lizard. The rules for the game are quite simple, and summarized below:
Note that with five possible “hands” you can play, each “hand” can beat
two others and can be defeated by two others. I’m rather fond of “paper
disproves Spock”. Academia can be so cruel.