Those are BUCK.
Breaking Bad Season 2, Episode 5
You're intimidated by Amy's intellect.
To that, I say BUCK up.
The Big Bang Theory Season 4, Episode 3
but deluxe detailing
is the best for your BUCK.
Breaking Bad Season 4, Episode 9
and all you've got is "Buck up"?
The Big Bang Theory Season 5, Episode 1
Buck up, sissy pants.
The Big Bang Theory Season 5, Episode 1