DUFF

Designated Ugly Fat Friend
an unattractive female who accompanies a group of females to either:
A. make the others feel better about themselves
B. gain access into an a social circle she would never be able to attain
Man, I was talking to this really cute girl. Next thing I know, her DUFF arrived and cock-blocked me!
by pidgezzz March 21, 2010
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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 April 01, 2015
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DUFF

If you don't know who the DUFF is in your group, odds are it's you
by KatLovesBands February 23, 2015
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duff

To catch a fart in your hand and put in someones face. A duff is similar to a fast ball, however it is not thrown.
Can I duff you?" "Yeah, duff me! Gimme yer duff!
by Andrea, St. Petersburg, FL September 11, 2010
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duff

Generic term for beer. Originates from The Simpsons cartoon series, where Duff is the brand of beer characters drink.
"Pass me that duff". "You bring the weed and I'll bring the duff!"
by Karl Steiger January 31, 2004
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DUFF

by bigfloppykitty February 09, 2015
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duff

the residual left in the bag of narcotics; the powder.
Dude... Where's all the rocks? That's just a bag of duff!
by sophuct72 February 06, 2010
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