DUFF

Desiganted Ugly Fat Friend. A common acronym used in male cliques. Used to refer to the girl that the "hot chicks" bring along to distract the "Wingman" (every male clique has one, his job is to intercept the DUFF.) so the ycan have the more desirable males of the group.

"Dude, you sooooo got the DUFF tonight."

by TXwolfman817 February 24, 2009

Duff

That place on the human body (particularly the female body) where the body makes contact when sitting-down, i.e. the erogenous area of the butt.

I'll bet her duff is as sweet as candy!

by anonymous March 3, 2023

DUFF

A DUFF is a D- Dumb U- Ugly F- Fat F- Friend basically the girl or boy that tries to cockblock you when you are trying to make a move on a girl or a boy

Shut up you fuckin duff

by Kiddericc March 22, 2021

Bailey Duff

A weird creature that is ugly and not human

Person 1: the fuck is that
Person 2 : its just a Bailey Duff

by Skkrt skkrt November 3, 2019

Duff

Designated Ugly Fat Friend

That girl is our duff

by confident black girl January 28, 2015

Duff

To Duff Out; A momentary lapse in reality shown by a vacant stare into a world of blank.

You just duffed out!

Man sorry i didn't hear you i was totally duffing out.

I really duffed out on that one

by Tazan August 22, 2011

Up the duff

An old Australian Slang term referring to an unplanned pregnancy, first used in 1941 and all the way through to around the 70s. Rarely used now a days.

Person 1: What is happening to her?
Person 2: She's up the duff.

by Shen Bapri March 23, 2023