Designated Ugly Fat Friend
A DUFF doesn't actually have to be fat or ugly, just less attractive than the people they are with
Also, a person can be one of the hottest in one group of friends, and the least hot (and therefore the Duff) in an other group
The duff is the less attractive friend and therefore easier to talk to than the hotter friend you are trying to score
1. Designated Ugly Fat Friend
2. A more polite way of saying ass or butt
1. She's such a Duff
2. My Mom always tells me to get off my duff and go outside
V. To plan a sexual encounter and back out soon after, to stand up.
He said he wanted to be with me, but then he duffed out and changed his mind.
DUFF - Designated Ugly Fat Friend.
Doesnt have to be fat or ugly. The weak link in the group of girls. The least attractive but it the most approachable. Use her to speak to the girl in group you want to score with.
"Damn Cindy so hot, how do i even get a chance to speak to her?"
" its simple my friend, get to know her DUFF Sarah & youre in"
Desiganted Ugly Fat Friend. A common acronym used in male cliques. Used to refer to the girl that the "hot chicks" bring along to distract the "Wingman" (every male clique has one, his job is to intercept the DUFF.) so the ycan have the more desirable males of the group.
"Dude, you sooooo got the DUFF tonight."