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

An alternate name for penis.

"He wants to put his duff where?"

by TeamTripod July 8, 2009

duff

The stuff left on the bottom of your weed bags. All the stems, crystals, and leafs. Often used as a cheaper alternative to buds in baking. Though often mistaken as good, and used in joints and bowls. Known to be sold for as cheap as 30-40 dollars an ounce.

Hey bro, got any of that duff? I need to make another's batch of weed brownies.

by fitzy_keegs January 13, 2017

DUFF

Dumb ugly fat friend

That dude is the duff of the friend group

by Tiasg March 8, 2015

duff you in

Meaning to beat some one up, to knock some ones ed off or to generally slap them about

For example I will duff you in when you get home cory

You deserve a propa duffing

by Bobz1992 February 7, 2014

Duff

A cocktail consisting of equal parts Cynar, Campari, and gin with a splash of soda and an orange twist.

"Hey bartender, I'd like a drink that's neither too sweet not too bitter."
" How about a Duff?"
"Perfect!"

by megadope September 20, 2023

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