I just love saying limo.

Sheldon: Thirty what, under thirty what, to watch what?

Howard: Oh, I'd so do her.
Leonard: You’d do the dolphins.

Raj: It’s People magazine. People picked me.

Sheldon: Hey! Look I found my missing nutrino!
Howard: Oh, great! We can take it off the milk carton!

Sheldon: What do you want me to do?
Leonard: Smile.
Howard: Oh crap, that's terrifying.

Raj: I couldn’t get you into the VIP section, because, you know, that’s for VIPs, and you guys are just, you know, Ps.

Sheldon: I can make it, but I won't.

Sheldon: A tremendous accomplishment would be if the planetary body he discovered were plummeting toward Earth and he exploded it with his mind.
Howard: That would be cool. I’d go to that reception.

Raj: I was just hoping for something a little more, you know, redonkulous.

Raj: It's time to raise the roof.

Leonard: Anythingforagreencard.com?

Sheldon: Were you distracted by the possibility that Koothrappali might have intercourse with Penny tonight?

Sheldon: When I was eight, a Montgomery Ward delivery van ran over our family cat, Lucky.
Howard: Lucky?
Sheldon: Yes, Lucky.
Leonard: He's irony-impaired. Just move on.
Howard: Ok, dead cat named Lucky. Continue.

Sheldon: I wanted a griffin.
Leonard: A griffin?
Sheldon: Yes, half eagle half lion.
Leonard: And mythological.
Sheldon: Irrelevant.

Sheldon: I'm not insane, my mother had me tested!

Leonard: Our new friend is going to be Iron Man.

Raj: It’s time to put on some R. Kelly and suck face.

Penny: FYI, you’d be lucky to have me as a daughter-in-law.