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

...that neither of you
would attempt to WOO her.
The Big Bang Theory Season 4, Episode 6

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

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

Woo!
The Big Bang Theory Season 7, Episode 6