DUF

Designated Ugly Friend - the one obligatory fat chick in every group of hot chicks. see running interference

Damn, all those chicks are hot except for that one. Bailey's gonna take the duff home tonight.

by AspiringdeitY August 05, 2003

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Duffed

To get Your shit rocked by a closed fist.

Yo Son just got the shit duffed outta Him.

by Moe June 18, 2006

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Duffed

To get your ass kicked REALLY badly. If you got "duffed", you didn't just get punched in the face, hit the floor and kicked once or twice hard... you got hit in the face, hit the ground, then got hit in the face several more times, possibly had your head bashed into the cement, got kicked in the ears, neck, kidneys and various other soft spots on your body.

"Yung, that nigga D-Set laid up in the hospital. He smoked up that whole QP he was fronted by main man and got duffed."

by Krill Awareness April 15, 2006

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Duffing

Giving oral pleasure after the receipt of an unexpected gift.

Hillary received a beautiful engagement ring. Right after, she was caught on camera duffing her boyfriend on the barcalounger.

by Opeth1429 February 26, 2010

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Duf

An acronym for Designated Ugly Friend. Every hot girl has a DUF simply to make her look that much hotter. This strategy also works for average looking girls.

Hey Bill, here comes Mary and her DUF. I call Mary!

by Ryan June 17, 2004

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