Penny: That's the saddest thing I've ever heard.
Howard: (to Leonard) Go ahead. Tell her about your senior prom.

Penny: What are you saying? That I'm using my body to get dinner? That I'm some sort of Chinese food prostitute?

Penny: Tweety Bird tawt he taw a what?
Sheldon: A romulan.
Penny: Yes, he tawt he taw a romulan.

Penny: What up, Shel-bot?

Leonard: Penny, Steve Wozniak was one of the co-founders of Apple computer. He and Steve Jobs.
Penny: Yeah. I know who he is. I watch Dancing With the Stars.

Sheldon: Woman, you are playing with forces beyond your ken.
Penny: Yeah, well your Ken can kiss my Barbie.

Leonard: Wow, Penny, you're on fire!
Penny: Yeah, so is Sheldon!

Penny: We're putting the play on for one night in this little 99-seat theater. Can you come? Oh great! Do you know 98 other people that might want to come?

Penny: Damn you, you rat bastard! In the olden days, I never would have known he was that stupid.

Penny: Okay, Babydoll Pink, let's see if you can cover up the fact that I got my dad's feet.

Penny: Oh, damn, they canceled my Visa. Oh, yay, a new MasterCard.

Penny: I need to go back to dating dumb guys from the gym.

Penny: Um, you know it's kinda early. Do you wanna maybe come in for some coffee or something?
Stuart: Oh gee, its a little late for coffee isn't it?
Penny: Aw, you think coffee means coffee. That is so sweet.

Penny: Do or do not do there is no try.
Leonard: Did you just quote Star Wars?
Penny: I believe I quoted The Empire Strikes Back.

Leonard: They're gonna get beaten up at that club.
Penny: They're gonna get beaten up at Walgreens.