Duff

1. Designated Ugly Fat Friend
2. A more polite way of saying ass or butt

1. She's such a Duff
2. My Mom always tells me to get off my duff and go outside

by SauceMilliken July 31, 2017

Duff

Beer you wish you could have but never will.

I'm craving some duff right now bro.

by lemonberrypie August 4, 2017

elliot duff

An awkward looking man with a wang so small you need a microscope to see it.

Omg his wang was so small! He must be Elliot Duff!

by Jsnsinebusisnssn August 7, 2017

duff

Dump
Ugly

Fat
Friend

That girl is the other's duff.

by Masker August 10, 2017

come up duff

A person who was a duff in their past and is now a hot glown up masterpiece

Guy 1: Damn heathers a come up duff!
Guy 2: Yah she used to be really ugly but now I really wanna date her

by Em's definitions August 14, 2017

DUFF

The glue to a friendship. She/he will always support there friends no matter what. She can be a pain in the ass but everyone still loves her/him.

wow she is such a duff, i love her.

by ofiherjonfoqe[h November 5, 2018

duff

Madi and lily (designated, ugly, fat friend)

Madi and Lily are such duffs!

by YLYILS May 26, 2018