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Duff

Ian is not a Duff
by QuinnIsAJag January 19, 2020
mugGet the Duffmug.

duff

duff
Duff
Designated. Ugly. Fat. Friend
Ex. Britny is the duff in the group
Lisa and jen are hotties or the atravtive one and britney is ugly and fat compared to them
It can be guys (not alway ugly or fat) lets say they are freshmen and are like wingmen to upperclass men
*They are the ones who the girls go to ask if the jocks or alist guys in the group are single

The 2015 movie "Duff" is about a girl who is the duff in her group of friends at highschool who was unaware that she was the duff and was set oit to change it

"Duff " is not a positive thing to be called
by just a teen in 2k15 March 31, 2015
mugGet the duffmug.

Duff

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"
by Jamattack July 17, 2016
mugGet the Duffmug.

Duff

To scarf down food at a rapid pace; to eat large amounts very fast.
After I smoke, all i want to do is duff and sleep
by Fontaine June 30, 2017
mugGet the Duffmug.

Side Duff

(1)When you are/are not in a relationship. and have a person you fuck on the side. Side duffs manly are just people who you don't really care about, but just only to fuck.

(2) Someone who likes/loves you a lot and buys you stuff and is always promised sex, but never get any in return.
(1) monica was Bill Clinton's Side Duff
by Pititfulfilth April 1, 2011
mugGet the Side Duffmug.

Daddy Duff

A fine gentleman descended from Father Duffy, who often times pushes 🅿️, and on occasion sleeps with women whilst off of the holy herb
Keath: "Yo its Daddy Duff"
Bitches: "Omg hes so hot"
by QuickGiveThisManMouthToPenis February 10, 2022
mugGet the Daddy 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.

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