Penny: He's still mad at Leonard, huh?
Amy: Well, he's mad at you, too. He said you were the succubus that led his friend astray.
Penny: I don't know what succubus is, but it has "suck" in it, so that can't be good.

Sheldon: Now I think I hear kissing.
Amy: Like you know what kissing sounds like.
Sheldon: There's kissing in Star Trek, smarty-pants.

Sheldon: Amy, there were Chinese food containers ... in the trash can.
Amy: Poor Leonard.

Your husband's weird and his clothes are ridiculous.

Guys are hitting on us and not just to get to Penny.

Excuse me, but I'm a neurobiologist. I think I'm a little more qualified to understand what's not working in your girlfriend's brain!

Raj: Okay, I have a request to make.
Amy: And now he can talk. I want to cut open your brain and see what the heck is going on in there.

Go away Sheldon is nibbling on my ... 14. Yes!

Sheldon: I have not ruled it out.
Amy: Wow. Talk dirty to me.

They think our relationship is a joke. Are we ever going to have an intimate relationship?

Penny: Vegas here we come.
Bernadette: No husbands. No boyfriends. No rules
Amy: No rules. We're not going to get drunk and have a six-way with the Blue Man Group, are we?
Penny: No.
Amy: So there are some rules.
Bernadette: Okay. No husbands. No boyfriends. Some rules.
Amy: Thank you. VEGAS!

Amy: Missed one. Now your wish can't come true.
Sheldon: Lucky for you because I wished you were dead.

TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon