Don't name him. Just jam a hook into his face.

Bernadette: Gosh, Amy. I'm sensing a little hostility. Is it maybe because like Sheldon's work, your sex life is also theoretical?
Penny: Damn.
Amy: Well, at least, when we do make love, Sheldon won't be thinking about his mother.

Amy: At some point, they're bound to lock horns.
Penny: I'm assuming these are some kind of horns they bought at Comic-Con?

Leonard, why do you always do this? Listen to me, you are the one that I'm with. You know that I love you. So, will you please relax, because you are driving me crazy.

Leonard: Who you talking to?
Penny: Just this guy I met at school.
Leonard: We're still dating, right?

Sheldon: Get the Mad Hatter on the horn, I'm having a tea party.
Penny: You might want to pace yourself.
Sheldon: I drink tea all the time. I think I know what I'm doing.
Penny: Far be it from me to criticize a man with a full pubis.

Hey, this is my paper. And, my perspective is that slavery is bad. Oh, and my professor's black, so I'm pretty sure that's the right answer.

Amy: You have to be the weirdest couple I know.
Penny: Really? You can't think of anyone weirder?
Amy: I can, [whispers] but she's sitting right there.

Sometimes I forget how smart you are.

Penny: You're unbelievable.
Sheldon: I know.

Amy: Looks like something used by Tinker Bell's gynecologist.
Penny: Who I hope for her sake is not Captain Hook.

Penny: I'm just a blonde monkey to you, aren't I?
Sheldon: You said it, not me.

TBBT Quotes

Oh, Bernadette, please play my clarinet.

Raj's poem

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?