You SCRATCH my back, I SCRATCH yours.
The Big Bang Theory Season 2, Episode 16
Okay. Scratch paper, check.
The Big Bang Theory Season 11, Episode 13
Or on a SCRATCH piece of paper
somewhere?
Breaking Bad Season 3, Episode 13
Okay, so SCRATCH Kobayashi.
The Big Bang Theory Season 12, Episode 18
made entirely from SCRATCH?
The Big Bang Theory Season 11, Episode 11