I have to hit the head. That's what us salty seadogs say when we have to go pee-pee.

Leonard

Raj: Why are you on a diet?
Howard: I've put on a couple pounds. I buy these pants in the men's section.
Raj: Well, we've all seen your mom. That Butterball turkey was bound to come home to roost.

Howard: What were they thinking putting Doctor Octopus's mind in Spider-Man's body?
Raj: Well, I've been quite enjoying that. It combines all the superhero fun of Spider-Man with all the body-switching shenanigans of Freaky Friday. Both versions: original and Lohan.
Howard (imitating Raj): "Both versions: original and Lohan."

Don't try to trick me into buying something I don't want. Now, let's talk Aquaman.

Sheldon

Leonard: I didn't tell Sheldon so we could have a few days alone.
Penny: Oh, that is so romantic.
Leonard: Uh, sure, that's why I did it.

The Big Bang Theory Season 7 Episode 2 Quotes

Don't try to trick me into buying something I don't want. Now, let's talk Aquaman.

Sheldon

Leonard: I didn't tell Sheldon so we could have a few days alone.
Penny: Oh, that is so romantic.
Leonard: Uh, sure, that's why I did it.