I don't see what's crazy about bringing a
BACKPACK with your own toilet paper and Purell.
The Big Bang Theory Season 8, Episode 19
Oh, man, how did you get
inside that BACKPACK?
The Big Bang Theory Season 5, Episode 11
No BACKPACK.
Money Heist Season 3, Episode 5
Can you imagine going in there
carrying an emotional BACKPACK?
Money Heist Season 3, Episode 5
I mean, "crazy" for Star Wars crazy, not crazy
like we have a BACKPACK full of duct tape.
The Big Bang Theory Season 8, Episode 19