Raj: Woh, woh, woh! I don't want to speak to the FBI.
Leonard: Why not?
Raj: I'm brown and I talk funny.

I think, "How could you? She's my sister!" takes preference over a five year old pinkie swear.

Raj: Hands off my sister.
Sheldon: Why would I touch her? She's covered in airplane germs.

Leonard: How can you have a girlfriend you can't even speak to women?
Raj: Two words: deaf chick. It doesn't matter if i can't talk cause she can't hear me.
Leonard: What?
Raj: That's what she said.

When I call him his phone plays Browned Eyed Girl. Which now what I think about it is not so good.

Wolowitz: Why do you even want this here? Its size is completely disproportionate to its purpose!
Raj: Considering its purpose was to piss you off, I'd say it's spot on.

Leonard: Did you guys see the paper in the American Physics Journal on supersolids? It's pretty interesting. This guy's working from a hypothesis which ...
Raj: Spoiler alert! Spoiler alert!
Leonard: What?
Raj: Don't ruin it for me, man! I printed out a PDF to read on the potty.

Raj: You slipped and fell into a robot hand?
Wolowitz: Yes.
Raj: Penis first?
Wolowitz: Yes. Now help me!
Leonard: I'd suggest a lubricant, but I have a feeling you fell on some of that as well.

Howard wanted to write "mumbo jumbo," but I said no, our Sheldon would say "hokum."

I'm telling you, dude. The only way to feel better about Penny going out with other guys is for you to get back on the whores.

Go away! She wants New Delhi, not Kosher Deli!

Leonard: You still have a cold?
Raj: Maybe, but I don't care. That's the good thing about NyQuil -- it's like, 10% booze. I call it the "nighttime sniffling, sneezing, coughing, so you can talk to girls medicine."

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.