To back out of doing something because you're too much of a wuss to follow through, or to break down because you can't handle something.
Emma totally muffined out of going to track practice.
Andrew was complaining he was tired, I think he's going to muffin out of going out tonight.
Beth muffined out during the chemistry test, she was crying for an hour.
Andrew was complaining he was tired, I think he's going to muffin out of going out tonight.
Beth muffined out during the chemistry test, she was crying for an hour.
by kiki1987 March 20, 2013
Condition that happens when a man or woman wearing tight clothing that hides a muffin top bends over or otherwise uncovers the bare muffin top for the world to see.
Dude 1: Bro what's so funny, why you spit your drink out?
Dude 2: Dang man, that thick girl over there just leaned over to grab the mustard and the muffin came out da wrapper. That shit is gross!
Dude 2: Dang man, that thick girl over there just leaned over to grab the mustard and the muffin came out da wrapper. That shit is gross!
by Spaghets February 22, 2012
by Big Dick McGee12345 February 04, 2014