The Big Bang Theory: 10 Best Sheldon Lines

2. "Rock Paper Scissors Lizard Spock"

Rock, Paper, Scissors, Lizard, Spock, invented by Sam Kass, was first used by Sheldon when trying to settle a dispute with Raj about what to watch on TV. Rules

Scissors cuts paper

Paper covers rock

Rock crushes lizard

Lizard poisons spock

Spock smashes scissors

Scissors decapitates lizard

Lizard eats paper

Paper disproves spock

Spock vaporises rock

Rock crushes scissors