It is a surname. I think the name comes from Yorkshire and quite a few people from America have it as their last name!
by Anonymous Name April 01, 2007
A large hairy, unemployed person with abnormal amounts of body hair. Is able to grow beards over night and grow stubble on tongue. The Muff will be able to sustain a heavy amounts of alcohol and protein shakes.
by "Beaver" n STEVE June 03, 2007
Extreame messup, "To fuck up something", to blow something (hahahaha not tht way You no waht we mean)
by Lil Nait234 January 18, 2010
1. what you do when your fat goes over your pants/tights/skirt/bottoms
2. the verbial form of muffin top
2. the verbial form of muffin top
by Lindsey J D August 16, 2007
by Muff-Diver July 15, 2003
Half a muffin. Discovered when Glenn College was stingy and only gave us muffin halves, instead of a whole one.
by orgabulator August 22, 2004