It means "Designated Ugly Fat Friend". They don't have to be any of those, but that doesn't mean they don't have friends more attractive than them. The DUFF is basically the least attractive one in the group.
"She's cute, but her friends are hotter. She must be the DUFF."
"He's the youngest in the team and acts as the Gatekeeper to the rest of the team. He's a DUFF."
"That teacher is being left out from other conversations... He's a teacher DUFF."
"He's the youngest in the team and acts as the Gatekeeper to the rest of the team. He's a DUFF."
"That teacher is being left out from other conversations... He's a teacher DUFF."
by WattpadBlogger September 19, 2017
A DUFF is a D- Dumb U- Ugly F- Fat F- Friend basically the girl or boy that tries to cockblock you when you are trying to make a move on a girl or a boy
by Kiddericc March 23, 2021
by Golden_Goddess February 12, 2015
Abv. For Designated Ugly Fat Friend. Usually the one person more approachable in a group and the one who is less attractive than all the others in the group. Sometimes a girl will approach a DUFF and start to flirt but after a while will begin to ask questions about another hotter member of the group.
Man #1: Dude, that's your job as the DUFF
Man#2: What did you just say to me?
Man#1: You're a DUFF, Designated Ugly Fat Friend.
Man#2: That's so messed up.
Man#2: What did you just say to me?
Man#1: You're a DUFF, Designated Ugly Fat Friend.
Man#2: That's so messed up.
by Sugary sweet April 07, 2017
noun: The small particles of cannabis, or "shake", in the bottom of your bag of weed.
verb: To remove the shake from finished cannabis buds.
verb: To remove the shake from finished cannabis buds.
Noun: "Hey check out this pound of Blue Dream I got!"
Looks at bottom of bag, "I don't know man looks like theres an bunch of duff in it.
Verb: "Gotta duff that shit out bro."
"Have these packs been duffed?"
Looks at bottom of bag, "I don't know man looks like theres an bunch of duff in it.
Verb: "Gotta duff that shit out bro."
"Have these packs been duffed?"
by Little Salt August 07, 2020
by Starbeauty November 28, 2020