Penny: You know, you go on and on about wanting things to stay the same but you've changed a lot since I met you.
Sheldon: Oh, you are a mean drunk.

Penny: You have a ton of friends. You got married. Moved into a new apartment. You wore a baseball hat that one time. heck, you've had sex almost as many times as I have fingers.
Sheldon: More. By this many.
Penny: You dawg.
Sheldon: It was the Avengers trailer.

Penny: I used to be the bartender back there.
Sheldon: That's true. And now there's a completely different woman who botched my drink order. How hard is sixty-five percent Coke, thirty-five percent Diet Coke?
Penny: Judging by the look on her face, it's at least one percent saliva.

Penny: I don't like to drink when I fly.
Bernadette: Please, I've seen you drink in the shower.
Howard: You guys have showered together?

Penny: It's so strange. No matter how thoughtless and selfish he is, I still love him.
Leonard: If you think about it, he has kind of been our practice kid.
Penny: Like, when you make pancakes and the first one comes out a little wonky?

Sheldon: UNCLEAN! UNCLEAN!
Penny: What?
Leonard: He thinks you're sick.
Penny: Oh. Should we tell him?
Leonard: If we don't, he might try to jump out of the plane.
Penny: Doesn't answer my question.

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?