Stands for Designated Ugly Fat Friend. A term used to describe a hot girls fat friends. Every hot girl has at least 1 Duff. Treating the Duff like a normal person may help your entry to the hot girls Vagina.
by twisted_walker November 13, 2006
Fanta Meaning, Fuck And Never Touch Again, Is normally found with a serious case of beer goggles. Use Fanta with cation
by twisted_walker November 13, 2006