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

puff duff

When you have too much fun (read: alcohol) and you're lame the next day and stay in bed and not participate in vacation activities.

In Jamaica, Jim partied too hard and the next day stayed in and was a total puff duff.

by CurtisCam1 September 03, 2017

duff bag

A monster tard you work with. Usually nothing good comes out of there mouth. Comparable to douchebag

Duff bag just moves around the office soundung drunk

by Going6to6hell6 January 19, 2017

Daddy Duff

A fine gentleman descended from Father Duffy, who often times pushes 🅿️, and on occasion sleeps with women whilst off of the holy herb

Keath: "Yo its Daddy Duff"
Bitches: "Omg hes so hot"

by QuickGiveThisManMouthToPenis February 10, 2022

duff budgie

A poor choice for a life partner

She's gone and married a duff budgie!

by Duffbudgie September 23, 2022

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 07, 2017

The DUFFE

to finger a girl with Two in the stick one in the pink

Derek duffed Dana so hardcore

by Mikey December 02, 2004