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Duff

Ian is not a Duff
by QuinnIsAJag January 19, 2020
mugGet the Duffmug.

duff

duff
Duff
Designated. Ugly. Fat. Friend
Ex. Britny is the duff in the group
Lisa and jen are hotties or the atravtive one and britney is ugly and fat compared to them
It can be guys (not alway ugly or fat) lets say they are freshmen and are like wingmen to upperclass men
*They are the ones who the girls go to ask if the jocks or alist guys in the group are single

The 2015 movie "Duff" is about a girl who is the duff in her group of friends at highschool who was unaware that she was the duff and was set oit to change it

"Duff " is not a positive thing to be called
by just a teen in 2k15 March 31, 2015
mugGet the duffmug.

Side Duff

(1)When you are/are not in a relationship. and have a person you fuck on the side. Side duffs manly are just people who you don't really care about, but just only to fuck.

(2) Someone who likes/loves you a lot and buys you stuff and is always promised sex, but never get any in return.
(1) monica was Bill Clinton's Side Duff
by Pititfulfilth April 1, 2011
mugGet the Side Duffmug.

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
mugGet the Duffmug.

Duff

That place on the human body (particularly the female body) where the body makes contact when sitting-down, i.e. the erogenous area of the butt.
I'll bet her duff is as sweet as candy!
by anonymous March 3, 2023
mugGet 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

That girl is our duff
by confident black girl January 28, 2015
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