Dumb Ugly Fat Friend. Every hot girl has at least one. If, in the case, that a hot girl has other hot girl friends, then they all have at least one mutual duff. Hot girls chill with them to usually make themselves seem better.
by the_realest_MI March 4, 2011

Designated Unpopular Fat Friend. A fat person,usually a female who is obsessed with a country boy,his friends,his momma,sister,truck and dog.
by brotherman94 February 8, 2012

by CaraBeantown January 5, 2014

by thatonegirl3000 March 8, 2015

by d-boy April 30, 2003

by Argh Dammit September 25, 2005

1.A incognito way to compliment a nice behind without being heard or looked at by the selective the female target.the term started in NJ in the summer of 2007 and is now being used by college students,frat brothers and perverts up and down the east coast!
2.Nice Big round mound of butt that defies the laws of physics.
2.Nice Big round mound of butt that defies the laws of physics.
1.Jimmy have you seen "Billy Duff"? (while pointing out a target)
2.I was strolling down the beach earlier and saw a "Duff".
3. "Duff" to the right!
4. That's quite a large "duff".
2.I was strolling down the beach earlier and saw a "Duff".
3. "Duff" to the right!
4. That's quite a large "duff".
by Joemy mckenzanela November 19, 2010
