smell button

noun; The anus. The external opening of the rectum.

I poked her right in the smell button

by Mikebeer February 18, 2007

belly button smell

Stick your finger in your belly button, give it a whiff... possibly the worst smell in the world!!

"When I stick my finger in my belly button smell is like poop"

by Shithead. April 5, 2006