
Woo!
The Big Bang Theory Season 7, Episode 6

Your inability
to successfully WOO Penny...
The Big Bang Theory Season 1, Episode 14

Professor Woo.
The Big Bang Theory Season 6, Episode 20

the pitching of WOO.
The Big Bang Theory Season 11, Episode 11

Did you have to WOO me?
The Big Bang Theory Season 4, Episode 9