Howard: Classy dog.
Raj: Yes. Also, don't forget to close the toilet or she'll drink out of it.
Howard: I feel for ya I have a psychotic mommy, too.

Howard: Why don't you put her in a kennel?
Raj: Why don't you put your mother in a home?
Howard: To be honest, she'd do better in the kennel.

Well, that all stinks. No wonder you all got cancelled. Bye.

Sheldon

I do have a pretty balls-to-the-wall moisturizing regime.

No wrapper's gonna tell me what to do, unless it's Jay-Z.

Raj's girlfriend: Who's your favorite player?
Raj: Not Brian Boitano, that's for sure.

I've got to go be more butch. Tootles.

Howard: So take what's in that blog and use it to get her pants off.
Raj: Why do you have to make everything so filthy? Why couldn't you just say the blog is like her giving me the key to her heart?
Howard: The key to her heart. That's nice. Were you quoting someone or is it tattooed on the small of your back?
Raj: I was quoting a man who knows a thing or two about women: Sir Elton John.

Howard: People change names on blogs to protect their privacy. Roger is Raj.
Raj: Oh, I always thought, if I had a white name, it would be Gavin.

Mummy was right. American girls are sexually voracious devils.

Raj: I can see my little princess while I'm at work, right?
Howard: Why can't you just watch porn like a normal guy?

Sheldon: Are you implying my girlfriend doesn't have any sexuality to exploit?
Raj: Yes
Sheldon: Okay, because that was not clear.

TBBT Quotes

It's very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and, as it always has, rock crushes scissors

Sheldon

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.