...that neither of you
would attempt to WOO her.
The Big Bang Theory Season 4, Episode 6
Your inability
to successfully WOO Penny...
The Big Bang Theory Season 1, Episode 14
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
Professor Woo.
The Big Bang Theory Season 6, Episode 20