Season 4, Episode 20: "The Junior Mint"

-Rest. Sest. Hest. -Hest?

That's not a name.

-You should have just asked her. -I know I should have asked.

-What are you gonna do now? -I don't know. I can't ask her now.

I've already made out with her.

Once you make out with a woman, you can't ask her her name.