as in to bone a chick. to get duffed out
i duffed this sweet dude last nite yeahhh!!!
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
D.U.F.F a friend that is used to make yourself appear attractive or popular
wow really their friendship group has a duff wow they are so shallow poor duff
A term describing depressed, ugly, feminist females. DUFF for short.
"An ugly chick i know complained that i wasn't open minded enough about her genderless kitten, and that i was being sexist, and was also guilty of raping her."
"Oh she must be part of DUFF."
The glue to a friendship. She/he will always support there friends no matter what. She can be a pain in the ass but everyone still loves her/him.
wow she is such a duff, i love her.