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

The action of folding someone, or knocking them out

“Man I’ll duff your shit”
“Oh shit, Amari got duffed

by Slump November 20, 2019

Duff

Designated Ugly Fat Friend

Usually the unattractive one in a group of friends. Basically the outcast

All my friends are beautiful, this means I'm the duff😭😔💔

by Starbeauty November 28, 2020

Pulling a Duff

Sitting on your ass and not doing anything.

The dude was so hungover Duff didn’t lift a finger.... he was pulling a Duff

by Doepke April 23, 2021

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 blonde chicks vagina.

"Hillary's duff"
"Go get you some of that duff over there"
"I bet that chick has a nice duff"

by Fagboyslim88 January 13, 2017