Penny: Next time I get pulled over for a speeding ticket, here come the waterworks.
Sheldon [running to bathroom]: Here come the waterworks!
Leonard: Aren't you gonna ask?
Penny: What is this, my first day?

Sheldon: Boy, do I have to urinate.
Leonard: If only there were a solution
to that.
Sheldon: Seriously. I feel like I've got
a fish tank in my pelvis.

Sheldon: ... now you're going to need a stronger friend named latex.
Mrs. Cooper: Are you having the sex talk with me?
Sheldon: Well someone has to.
Mrs. Cooper: Oh, dear Lord!
Sheldon: Yeah, well... No, don't look at him, he's mad at you right now.

Sheldon: Then why are you doing it?
Mrs. Cooper: Because I'm not perfect, Shelly. And that man's booty is.

I love my mother. Even if she fornicates like a demonic weasel.

Apparently any man is welcome in his house, why not you?

Sheldon: Can you recommend a surface you haven't had coitus on?
Mrs. Cooper: That's not funny. Maybe we should sit at the table.

Mrs. Cooper: Shelly! I'm so glad you're here!
Sheldon: I saw you having naked sex.

I used to live in those genitals. And if someone wants to move into my old room, I should at least get a vote.

Sheldon: Do you have any idea what it's like to see your mother ravaging someone?
Howard: Does a brisket count?

I saw my mommy with a naked man and she was trying to be a mommy again.

Howard: Should we stop holding hands now?
Sheldon: In a minute.
Howard: Okay, good.

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.

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