Mrs. Cooper, hi, it's Penny. I think I broke your son.

Penny

I'm still not adjusted to how SyFy spells their name now. S-Y-F-Y... that's siffy.

Leonard

I sense that you're trying to slow walk me to an epiphany. Would you mind very much jumping to it.

Sheldon

Penny: Let's try some improvisation.
Sheldon: Why not? It seems you're improvising your entire curriculum.

Cute is for puppies. I want to be something sexy, like a labradoodle.

Raj

I know the feeling. It's like accidentally walking into a gay bar and then having no one hit on you. It happened to a friend of mine.

Raj

Sheldon: I didn't want to teach those poopy heads anyway!
Howard: FYI I think that's what Darth Vader said just before he started building the Death Star.

Sheldon: I'm not aware of the acronym KMN.
Leonard: From the context we think it means 'kill me now.'

Leonard: How do you get an entire lecture hall to flip you off at the same time?
Howard: Apparently if you're Sheldon all you have to do is turn your back.

I was expecting applause but I suppose stunned silence is equally appropriate.

Sheldon

The Big Bang Theory Season 4 Episode 14 Quotes

Leonard: How do you get an entire lecture hall to flip you off at the same time?
Howard: Apparently if you're Sheldon all you have to do is turn your back.

I was expecting applause but I suppose stunned silence is equally appropriate.

Sheldon