duff

Madi and lily (designated, ugly, fat friend)

Madi and Lily are such duffs!

by YLYILS May 26, 2018

The duff

Designated ugly fat friends

That one friend group that everbody avoides for obvious reasons

The people that sit near the benches at school are the Duffs of school

by Smonky August 21, 2021

Mickey duff

Mickey Duff was a well known boxing promoter whose name is now universally used as rhyming slang for marijuana.

Mickey Duff = Puff

If you want me to roll one up you’ll have to pass me my Mickey Duff.

by Loftier January 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

Something that tastes nice.

“Oooooo, this chocolate is duff”

“This pizza is duff”

by E L L E T123 December 13, 2017

duff

dick unimaginatively fat as fuck

a way to describe zackery duff

by not duff November 20, 2018

Duff

Designated Ugly Fat Friend.

The friend who make her/his friends look good and perfect.

Harry:look at them! The perfect triangle!
Mads: You are right! Spencer, Abby and the other girl.
Harry: haha the duff?

Mads: yes

by E.Christin January 23, 2016