The Muffin Tops Season 8, Episode 21

Jerry

What? Can't I get a moment's peace?

Kramer

What are you doing to yourself?

Jerry

I can't stop. Alex thinks I'm naturally hairless.

Kramer

You can't keep this up. Don't you know what's going to happen? Everytime you shave it, it's going to come in thicker and fuller and darker.

Jerry

Oh that's an old wives tale.