There's the problem. You can't beat Hawking like that. He hates to lose. Everyone knows the guy's a big baby. I mean, forget the wheelchair, he should be in a stroller.

I'd take Sheldon to Switzerland, absolutely. And I'd leave him there.

Wolowitz: Okay! Let me just go inside and slip off my underwear.
Leonard: Why?
Wolowitz: Well if I get lucky, I certainly don't want to be caught in my Aquaman briefs.

Howard: I'm not having this conversation with you Ma!
Howard's Ma: God forbid you get one of those new fancy sex diseases!

Leonard: Oh. Watch out, Sheldon. This little boy Casper is a g-g-g-ghost!
Sheldon: Droll.
Howard: Not as droll as a grown man passed out in a puddle of his own urine.
Leonard: That was pretty droll. With a hint of ammonia.

Wolowitz: Sheldon knows football?
Leonard: Apparently.
Wolowitz: I mean, Quidditch, sure. But football?

At least my mother made her boyfriend climb out the window.

They're called tattoo sleeves. I bought them online. Raj got a set too. Put them on, have sex with some freaky girl with her business pierced and I can take them off and still be buried in a Jewish cemetery

Bernadette's father: You go up to that space station and you make me proud.
Howard: Um, okay.
Bernadette's father: You got a problem with that?
Howard: All right, look, I'm going to level with you. I'm terrified about going into space. What if I don't make it back?
Bernadette's father: It's gonna be okay, son.
Howard: You really think so?
Bernadette's father: Of course. A pretty girl like Bernadette ... she'll find a new guy.

Raj: Too bad, I called dibs.
Wolowitz: You can't just call dibs.
Raj: I can, and I did. Look up "dibs" in Wikipedia.
Sheldon: Dibs does not apply in a bidding war

Leonard: Because you don't know how to do cryptanalysis, do you?
Howard: I'm not even sure if it's the right word.

But if she dumps you, she'll have a new boyfriend by tomorrow morning, and you'll have a new girlfriend when you figure out how to build one.

TBBT Quotes

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.