Duff

Designated Ugly Fat Friend

"I'm glad you invited those girls, but why'd you invite the Duff?!"

by Lauren and Lesley July 10, 2007

Duff

Verb; To smoke marijuana. To smoke weed. Term mostly used in Queens, NY. Originated by the Smart Crew. Sometimes, other constantans substitute the first letter of the word such as "buff, muff, fluff, huff, wuff, etc..."

Noun; Marijuana, weed, etc...

Where's Warren? He's duffing in the basement.

Anyone got some duff I can buy off them or throw down on?

GR only duffs that pure premium.

by serious faces May 19, 2009

Duff

1. Bollocks. Rubbish. Not worth a fuck.

2. The bass player of Guns n' Roses, 10 Minute Warning, Velvet Revolver

1. I cant play that duff guitar you bought, its the cheapest lump of shit I've ever seen!

I was late for work again because my duff old Ford Fiesta broke down again!

2. Uh, well... Duff McKagan plays bass.

by Saviour of the real January 23, 2007

Duff

The butt

Only some new age duffhole would change the meaning of duff to dumb ugly fat friend or some dumb bloke’s puddin’

by Phil Logenist March 13, 2019

Duff

A friend nobody really wants to be around but is tolerated and kept around for the purpose of buying alcohol

an example: duff as in a person around just for alcohol

by 203.goon July 25, 2020

Duff

Verb; meaning to punch or hit.

"Shut up right now, or I'll duff you!"

by AndreaMK December 3, 2006

Duff

UK - to be pregnant

She's up the duff

by Sophie96 April 11, 2015