Leonard: Damnit.
Priya: Wow, Leonard, already?
Leonard: No no no. The screen froze.

There's no junk jiggling; we just talk.

Leonard

I miss the old days when your romantic partners could be returned to the video store.

Sheldon

Give it a second to load. Whenever you're ready AT&T!

Sheldon

I had trouble putting it on and you tried to help and ... that's all she wrote.

Raj

You can't ruin a friendship with sex that's like trying to ruin ice cream with chocolate sprinkles.

Raj

Buck up, sissy pants.

Leonard's mother

You can't blame yourself. When your prefrontal cortex fails to make you happy promiscuity rewards you with the needed flood of dopamine. We, neurobiologists, refer to this as the skank reflex.

Amy

I feel like two totally different people. Dr. Jekyyl and Mrs. Whore.

Penny

The Big Bang Theory Season 5 Quotes

Penny: Bat signal? What are you, some kind of nerd?
Leonard: Not some kind of nerd, I'm the king of nerds.
Penny: What does that mean?
Leonard: Uh, it means if anyone displeases me, I don't help them set up their printer.
Penny: You are so funny.
Leonard: Good. Remember that when I take my shirt off

You can't blame yourself. When your prefrontal cortex fails to make you happy promiscuity rewards you with the needed flood of dopamine. We, neurobiologists, refer to this as the skank reflex.

Amy