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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 Jam

bullshit, lying, contempt, vindictive, self serving, me only servitude.
I will not put up with any of your duff jam
by RenegadeLacrosse November 8, 2019
mugGet the Duff Jammug.

duff

DUFF means designated ugly fat friend

this person doesn't have to be fat and ugly to be a duff they are usually the one everyone goes to for information on one of the pretiter friends in the group
"why doesnt she get invited to parties, because she's our duff"
by makaaay March 28, 2015
mugGet the duffmug.

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