
I kid, of course. Big FAN.
The Big Bang Theory Season 4, Episode 20

You don't have to sell me on cats,
Leonard. I'm already a FAN.
The Big Bang Theory Season 4, Episode 3

Yeah, I was such a FAN that in 1995
I traveled 10 hours by bus...
The Big Bang Theory Season 3, Episode 5

You know, I am a FAN of ventriloquism.
The Big Bang Theory Season 2, Episode 13

Well, I'm not much of a sports FAN,
but thank you.
The Big Bang Theory Season 3, Episode 16