Kripke, Professor Woo, Professor Klein,
The Big Bang Theory Season 10, Episode 16
Oh, not you, Dr. Woo.
You're fine.
The Big Bang Theory Season 7, Episode 6
...that neither of you
would attempt to WOO her.
The Big Bang Theory Season 4, Episode 6
the pitching of WOO.
The Big Bang Theory Season 11, Episode 11
Woo!
The Big Bang Theory Season 7, Episode 6