Amy: I should let you know that she asked for details about our dalliance.
Sheldon: Interesting. So it went beyond the mere fact of coitus to a "blow by blow" as it were.
Amy: Pun intended?
Sheldon: I'm sorry. What pun?

Penny, I'm sorry you got dragged into this. I know you're devastated that your ex-boyfriend has an exciting new lover with flawless, camel-colored skin.

Don't be needy, bestie. That's probably part of what chased Leonard away.

Yo, P-dog.

She used to be much more fun until Leonard punched her in the heart.

You do understand that it will distract you from the rich variety of sweet loving that your ex-boyfriend is currently receiving from the fiery jewel of Mumbai.

Bernadette: Leonard's really one of a kind.
Amy: Saying that while holding a snowflake is a bit heavy-handed don't you think?

Good news! Thanks to you I was able to make a rhesus monkey cry like a disgraced televangelist.

I'm regretting my earlier cattiness; she's an absolute delight.

Granted, Penny, your secondary sexual characteristics are reasonably bodacious, but Priya is highly educated, she's an accomplished professional, and she comes from the culture that literally wrote the book on neat ways to have sex. Whereas you on the other hand are a community college dropout who comes from the culture that wrote the book on tipping cows.

You don't have to be strong for me. Now let's talk about Priya that man stealing bitch.

Amy: This year's donations may go to, say, the geology department.
Sheldon: Oh dear, not the dirt people.

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?