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