muff butter 

When one is eating out a woman, and as she cums, she releases a massive load of slimy sour white cream upon your tongue. Very thick, unlike normal vagina juice.

Paul was enjoying a nice feast when Corrine released a load of muff butter upon his tongue.
He then vomited.

muff butter by Tarnation September 26, 2006

muff butter 

female lubricant used for sexual intercourse

make sure you use plenty of muff butter when when you tap that dry cooze

muff butter by Fanny Mae March 1, 2008

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

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