look up any word, like muddin:
1. an endearing term used by homosexuals to refer to their partners.

2. the act of eating ass, usually for breakfast.
1. Chuck loves his little muffin-ass.

2. Chuck had some muffin-ass this morning before work.
by Steven June 03, 2004
Description of a booty that "pops" out from the waist, like the top of a muffin.
"Damn, I'd love to fall asleep on Molly Jane's muffin ass."
by Eric Loy March 10, 2004
A big, fluffy ass. Also, a person who has a big, fluffy ass.
"My wife wants it--a picture of me naked, 'cause she says I have a wonderful muffin-ass." - Sol Rosenberg
by Gertz March 12, 2004