muff buster 

Of, or pertaining to a muff that is so ridiculously large it busts in your face as you try to go down.

Kasia's bush is a muff buster. Kasia's rug muff busted in Justin's face.

muff buster by Jenna Tolls May 6, 2006

muffbuster

A very large penis; a man with a very large penis.

"DAM but the muffbuster on him. I won't walk straight for a week, I swear!"

muffbuster by SliggX January 18, 2008