TV series example of the word

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

The Big Bang Theory Season 11, Episode 17
to buck traditional gender roles like that.

The Big Bang Theory Season 4, Episode 3
You're intimidated by Amy's intellect. To that, I say buck up.

Breaking Bad Season 4, Episode 9
but deluxe detailing is the best for your buck.

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