
...but I'd rather swim BUCK naked
across the Ganges...
The Big Bang Theory Season 3, Episode 4

Yes. Buck up.
The Big Bang Theory Season 5, Episode 1

Buck up, sissy pants.
The Big Bang Theory Season 5, Episode 1

There's gotta be other ways
you can make a quick BUCK.
The Big Bang Theory Season 10, Episode 17

Those are BUCK.
Breaking Bad Season 2, Episode 5