Although we do have a BACKPACK
that you really don't wanna look in.
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
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
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
I think you're addressing him from
your emotional BACKPACK. Am I right?
Money Heist Season 3, Episode 5