Oh, dude, I wish you had said something
before I pounded that last Red Bull.
The Big Bang Theory Season 3, Episode 7
What BULL dropped that on the barn floor?
The Big Bang Theory Season 8, Episode 23
If the BULL had fangs and claws, I would.
Game of Thrones Season 2, Episode 4
The whole thing's BULL squirt, huh?
The Big Bang Theory Season 4, Episode 9
And it's been weeks since I took
that accidental sip of Red Bull.
The Big Bang Theory Season 4, Episode 7