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Duff

Imma duff his dumbass
by Hatehatty6 March 8, 2020
mugGet the Duffmug.

Duff

That girl is our duff
by confident black girl January 28, 2015
mugGet the Duffmug.

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
mugGet the Up the duffmug.

Duff

A person who doesn't do anything productive with their life after high school - no job, no school, just vibes. Can also describe the act of being unproductive or lazy in general. The word originated from the last name Duffey, a kid who famously did absolutely nothing post-graduation.
Used as a noun:
"Don't be a duff — at least try to apply somewhere."
Used as a verb:
"I was just duffin' it all weekend, didn't move off the couch once."
"He's been duffing his life away since senior year."
Used as an adjective:
"That's the most duff thing l've ever seen — unemployed and still
Lplaining."
by Duffer555 July 21, 2025
mugGet the Duffmug.

DUFF

Abv. For Designated Ugly Fat Friend. Usually the one person more approachable in a group and the one who is less attractive than all the others in the group. Sometimes a girl will approach a DUFF and start to flirt but after a while will begin to ask questions about another hotter member of the group.
Man #1: Dude, that's your job as the DUFF
Man#2: What did you just say to me?
Man#1: You're a DUFF, Designated Ugly Fat Friend.
Man#2: That's so messed up.
by Sugary sweet April 7, 2017
mugGet the DUFFmug.

DUFF

Duff the DESIGNATED UGLY FAT FRIEND as a duff i would know its not fun ,sometimes u get ignored by ur friends and you feel left out
"I was a DUFF back in middle school."
by Vampie the queen October 20, 2021
mugGet the DUFFmug.

Duff

"Hillary's duff"
"Go get you some of that duff over there"
"I bet that chick has a nice duff"
by Fagboyslim88 January 13, 2017
mugGet the Duffmug.

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