Duff

Dumb, Ugly, Fat, friend

Oh my gosh she is such a duff..

by gamerpeeps500 August 23, 2021

duff

Madi and lily (designated, ugly, fat friend)

Madi and Lily are such duffs!

by YLYILS May 26, 2018

Duff Brain

An Über fluky dudely/dudette, that drinks to the point of being a problem for others. He/she somehow gets girls/dudes even though they either have a pencil for a penis or the chesapeake bay tunnel for a SNATCH. Aswell as being a drinker, they have terrible hair cuts, and think that they rule every city they find their way into.

Can be used as a Noun or Verb.

Drinks of choice: Fortays (40's), Vodka in a 2 liter, or colt 45
Music: Bad Euro-trash House stuff
Permanent residence: Ocean City, MD or NJ

1. dude one: "Dude, why the fuck did we bring brent.... he is duff braining so hard tonight... it's funkin' ruining my night."

dude two: "I know, it's my bad, but you won't have to see him again till next summer."

2. dudette one: "Ugh, you are way to drunk Brittany, you are a funkin' duff brain and you even knew I wanted that kid..."

dudette two: "OMGEEZ WTF alls I was gonna do was willis with him all night."

by brew thru her August 29, 2012

duff

D.U.F.F a friend that is used to make yourself appear attractive or popular

wow really their friendship group has a duff wow they are so shallow poor duff

by TechWhiz November 2, 2016

Duff Buck

A currency used by 8th grade students on the Hawks side of Chichester Middle School that Mr. Bryan Duffy created during his time teaching for his students to earn and purchase valuables such as buying extra credit points on the final exam, buying a homework pass or a mechanical pencil.

Student: I would like to use a homework pass
Mr. Duffy: *Takes the Duff Bucks and marks as complete*

by VinnySarge June 10, 2025

duff

designated, ugly, fat friend

That fat bitch over there, with those other girls, is so ugly... she is such a duff.

by Liz O'nya August 15, 2016

DUFF

A term describing depressed, ugly, feminist females. DUFF for short.

"An ugly chick i know complained that i wasn't open minded enough about her genderless kitten, and that i was being sexist, and was also guilty of raping her."

"Oh she must be part of DUFF."

by mahaaham May 30, 2015