
- Why Penny?
- Because rock breaks SCISSORS.
The Big Bang Theory Season 2, Episode 5

But not with SCISSORS--
that would be unsafe.
The Big Bang Theory Season 5, Episode 18

Anecdotal evidence suggests
that in a game of Rock, Paper, Scissors...
The Big Bang Theory Season 2, Episode 8

SCISSORS
decapitates lizard,
The Big Bang Theory Season 5, Episode 17

You got some, like, SCISSORS?
Breaking Bad Season 4, Episode 2