What, you invited
your GIRLFRIEND?!
The Big Bang Theory Season 5, Episode 19
Hey, GIRLFRIEND. Can I get a "what what"?
The Big Bang Theory Season 8, Episode 2
She's not my GIRLFRIEND.
The Big Bang Theory Season 4, Episode 3
He's just trying
to impress his GIRLFRIEND.
The Big Bang Theory Season 11, Episode 8
...to be asking another man's GIRLFRIEND
to his experiment...
The Big Bang Theory Season 3, Episode 10