Stands for Designated Ugly Fat Friend. A term used to describe a hot girls fat friends. Every hot girl has at least 1 Duff. Treating the Duff like a normal person may help your entry to the hot girls Vagina.
Hey, if your in with the Duff, Your in with the stuff!
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Most commonly known as the girl that your hott date has to take along with her to the x dance. Your date won't go without her so she has to come along. The whole time she gets in the way of you two. Duff stands for designated ugly fat friend. Very terrifying moments have been caused by this race of people.
Bess: "Hey, we should go to Mikes this weekend."
Kailey: "Yeah, thats a great idea. We should take someone else, just in case things get a little too weird."
Bess: "Lets take Sarah. Shes always a good conversation peice."
Sarah= DUFF= Ugly, fat, facial hair, and zits
Everything every "man" wants
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UK Prison slang for sponge pudding.
I hope we have duff and custard tonite.
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short term for duffer. someone who is stupid.
that guys hot but hes duff asf
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
Only some new age duffhole would change the meaning of duff to dumb ugly fat friend or some dumb blokeโs puddinโ