THE BIG BANG THEORY — KNOCK KNOCK KNOCK + PENNY x 3 — MENS TEE (M)

100% Preshrunk White Cotton
Silkscreened Image
New Licensed Product If you've seen The Big Bang Theory, you already know the routine, but sometimes it's easier for scientific geniuses to understand if you break things down into simple mathematical equations, such as the one on the front of this shirt. Knock knock knock + Penny x3. Standard men's sizes. 100% cotton. Officially licensed by Ripple Junction. Imported. More »