Howard: All I know is, he's got my mother buying four-ply toilet paper. I mean, four-ply. If his butt is so delicate,why doesn't he just use an angora rabbit?
Sheldon: For starters, they shed and bite.

Sheldon: I have some odd freckles on my buttocks. Can I make an appointment for you to look at them?
Emily: Um... okay, I guess.
Amy: I'm with him three years, nothing. She's with two minutes, and he's taking his pants off.

Raj: Since when do you read Social Science?
Sheldon: I go to the bathroom like everybody else.

Leonard: What? You're afraid of both dinosaurs and chickens.
Sheldon: Yes, but tell me a dinosaur chicken salad sandwich wouldn't hit the Mesozoic spot.

If I wanted curls for dinner I'd order a clown wig.

Sheldon

It's a good thing I'm not wearing flag underwear right now because there's about to be a fire.

Amy

Is this when he says bazooka or something?

Penny

Bernadette: They throw an actual ball, you were throwing air at a tv.
Howard: For your information, I also threw Leonard a high five.

Sheldon: Did you enjoy my lecture?
Amy: No, and neither did our waiter.

I know, watching your boyfriend run around with a broomstick between his legs isn't something you forget.

Penny

Okay, that's not what I meant when I said go outside and play

Penny

Howard: You reported me to human resources?
Sheldon: You violated the sanctity of my mouth.
Howard: Well, I dropped your class, so I hope you're happy.

TBBT Quotes

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

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.