Designated Ugly Fat Friend

Its a person that is usually more big than normal ppl. she is usually brought to a party or something and they are used to make a person to look better. So maybe you are one maybe not. Ppl may joke around and say you are the duff duff. Sometimes ppl will be serous when they say that also. Another thing is tht they may not tell u that ur a duff duff.

1. Bollocks. Rubbish. Not worth a fuck.

2. The bass player of Guns n' Roses, 10 Minute Warning, Velvet Revolver

A person who by society's description doesn't fit in with their friend group, being more approachable, and the one to go to ask for their friends numbers.

The pot left over after being "smoked" in a vaporizer.

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.

Most commonly known as the girl that your hott date has to take along with her to the x dance. Your date won't go without her so she has to come along. The whole time she gets in the way of you two. Duff stands for designated ugly fat friend. Very terrifying moments have been caused by this race of people.