DUFF

Acronym meaning designated ugly fat friend. This is the disgusting ugly fat friend that tags along with the hot chicks. Said hot chicks allow this as it makes them look less shallow and more attractive.
Ian: I've been tryin' to get Jenna alone for weeks now, but Bertha's always around.

Shawn: Ew, dude, Bertha's a total DUFF.

Ian: You think you could hold her attention while I talk to Jenna?

Shawn: That depends on how much you're willing to pay me.
by xdanielx October 3, 2008
mugGet the DUFFmug.

duff

1. Designated Ugly/Fat Friend
a friend that hot girls have to make themselves feel hotter
2. someones butt
1. Every hot girl I see seems to have a duff
2. Get off yer duff and do some work!
by Poopie pants 2 December 2, 2007
mugGet the duffmug.

DUFF

Designated Ugly Fat Friend/Designated Ugly Fat Fuck/Dumb Ugly Fat Friend

The infameous beer that Homer Simpson drinks on The Simpsons

a teenage pop star who has some talent but is over shadowed for being a "poseur"
That girl is a TOTAL DUFF

Homer Simpson always drinks Duff beer.

Hilary Duff is alright but everyone calls her a "poseur"
by Mike December 28, 2005
mugGet the DUFFmug.

Duffs

Deemed UnFit For Society
Used when describing someone that acts like they are a person who just escaped an insane asylum and doesn't belong among the common people
Person One: Dude did you see those new pics of lindsey lohan getting totally smashed at the party?

Person Two: No but I can imagine

Person One: Yeah it's not even funny anymore, she's been duffs in my book for a long time

Person Two: True that, she needs to do us all a favor and check herself into a clinic or asylum for that matter
mugGet the Duffsmug.

Duff

Designated Ugly Fat Friend not to be confused with the fuckin amazing duff mckagan. This person often makes you feel better about yourself when your around them...they make you look good
my friend lindsay is a duff when we go out
by slashsbabe_420 June 13, 2007
mugGet the Duffmug.

DUFF

The Dumb Ugly Fat Friend. Every hot girl has one, and their objective is to cock block all the guys. And for every DUFF you need a grenade and thats ur friend that would try to hit anything.
WOW! that DUFF's a bitch.
by ATICUS September 11, 2006
mugGet the DUFFmug.

duffs

Boobies, bazungas, chesticles, sweater kittens, flesh pillows, ta-tas.
"Snap, check out that chicks duffs! i'd like to bury my face in them."
by Rob Engle September 19, 2005
mugGet the duffsmug.

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