MUFFGUTTER 

MUFFGUTTER- n. describing one that does not perform their job duties in an appropiate manner, hence they are likely an asshole with no significant other and get laid by chance or on the dime.

that dude BRAD from the cable company was such a muffgutter today!

MUFFGUTTER by biatch6 December 17, 2011

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