DUFF

Designated Ugly Fat Freind

Jim: Bob you are my designated ugly fat friend (DUFF)
Bob: I'm not that fat!

by z108108 February 18, 2015

DUFF

Designated ugly fat friend

“Trudez is Tims DUFF”
“Luciano will always be a duff”

by Ashkiba February 05, 2018

Duff

dumb ugly or fat friend...

Becky invited her duff so she doesnt get wasted and blows any willing cock within sucking distance

by NorCal Slanger March 15, 2017

DUFF

Dumb ugly fat friend

That dude is the duff of the friend group

by Tiasg March 08, 2015

Duff

Designated Ugly Fat Friend is a person that you keep around to be more attractive and popular also known as the D.U.F.F

Two hot girls are sitting with a ugly girl. I feel bad for that Duff.

by Alize Marie September 21, 2017

duff

as in to bone a chick. to get duffed out

i duffed this sweet dude last nite yeahhh!!!

by gap slammer November 05, 2006

Duff

Designated Ugly Fat Friend.

The friend who make her/his friends look good and perfect.

Harry:look at them! The perfect triangle!
Mads: You are right! Spencer, Abby and the other girl.
Harry: haha the duff?

Mads: yes

by E.Christin November 18, 2015