Someone who does not give a shit that he is the leader.
Dude! Do something, don't be duff!
Designated Ugly Fat Friend .
In a group of friends there is always a duff that looks bad and make their friends look good . A duff can be easy to talk to , sweet and friendly . Everyone wants to be friends with them to get the hotties . A duff can be smart , funny but never cute or sexy .
I got her number from the duff .
A female trying to cover her defaults by finding another one worse than her.
Heather was duff hunting looking for a friend fatter, dumber, and uglier than her so maybe the boys would notice her.
a duffle bag filled with illegal substances usually marijuana
I dropped my whole paycheck on a duff sack of that icky sticky leaf
The expression Swansea City fans use when Duff loses a game
Swansea lost again, Michael Duff OUT.
bullshit, lying, contempt, vindictive, self serving, me only servitude.
I will not put up with any of your duff jam