Duff

Designated ugly fat friend

Wow that girl is such their duff.

by Alyssa j. Page is bad March 9, 2015

duff

as in to bone a chick. to get duffed out

i duffed this sweet dude last nite yeahhh!!!

by gap slammer November 7, 2006

DUFF

Designated Ugly Fat Freind

Jim: Bob you are my designated ugly fat friend (DUFF)
Bob: I'm not that fat!

by z108108 February 18, 2015

Duff

V. To plan a sexual encounter and back out soon after, to stand up.

He said he wanted to be with me, but then he duffed out and changed his mind.

by Laurie-Bell February 1, 2009

duff

(D)esginated (U)gly (F)at (F)riend

You are a duff
We have a duff in our friend group

by huoon October 14, 2021

Fletcher Duff

A meme come to life, a Fletcher Duff is someone who personifies a number of memes often found on the internet without necessarily directly correlating with just one.

"Oh, that meme reminds me of something - i just can't put my finger on it"
"That must be a Fletcher Duff!"

by topg43 August 7, 2022

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