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Duff

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.
by Laurie-Bell February 1, 2009
mugGet the Duffmug.

DUFF

Designated Ugly Fat Friend

Every group of friends has one. The duff is someone who makes the rest of the group look better. The duff hides the rest of the group's flaws.

However the duff doesn't technically have to be ugly or fat, they could just be not as good looking, or maybe they are more approachable.

To know if your the duff just think have any guys/girls asked things about you or have they only spoken about your friends?
An even easier way to find out is to look around your group of friends and if you can't spot the duff then it's probably you!
Then again EVERYBODY is someone else's duff, so there's no need to worry. You are a duff.
Deal with it!
Be proud!
Take advantage of it!
"Damn! Those girls are hot, but maybe we should speak to their duff before approaching them!"
by JustAnotherGirlOnline March 30, 2015
mugGet the DUFFmug.

duff

Two hot chicks at school they usually have a ugly nasty ass friend but this friend is one that their close with . Say a fit boy walks past the duff of the group they only talk to her to get into her pants
by SMITHY March 17, 2015
mugGet the duffmug.

DUFF

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.
by Sugary sweet April 7, 2017
mugGet the DUFFmug.

Duff

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.
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?"
by Little Salt August 7, 2020
mugGet the Duffmug.

Duff

Wow that girl is such their duff.
by Alyssa j. Page is bad March 9, 2015
mugGet the Duffmug.

The DUFFE

by Mikey December 1, 2004
mugGet the The DUFFEmug.

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