A DUFF is a D- Dumb U- Ugly F- Fat F- Friend basically the girl or boy that tries to cockblock you when you are trying to make a move on a girl or a boy
by Kiddericc March 22, 2021

by Ashkiba February 5, 2018

Designated-ugly-fugly-friend
The one friend in the group who doesn’t really feel like a friend Becuase of how irrelevant they are or feel and when in public is the one who gets asked for the phone numbers of the other attractive friends.
The one friend in the group who doesn’t really feel like a friend Becuase of how irrelevant they are or feel and when in public is the one who gets asked for the phone numbers of the other attractive friends.
“Yoo you see those hella fine girls man”
“ yes sir I do”
“Go see if you can get their numbers”
“ nahh I’m too pussy”
“Oh fairs, jus go ask the DUFF then, their there for a reason”
“ yes sir I do”
“Go see if you can get their numbers”
“ nahh I’m too pussy”
“Oh fairs, jus go ask the DUFF then, their there for a reason”
by Doorknobsontoast_420 July 11, 2020

Duff is a quiet man when you first meet him yet is incredibly observant and always listening. He takes his time in both thoughts and actions, but in the end is always ready to share the very best of himself. Duff is strong yet gentle, firm yet kind and mushy. If you are lucky enough to have a Duff in your life, then you are guaranteed a funny and generous confidante who will be by your side forever.
by Duckie1970 December 9, 2023

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.
by anonymous March 3, 2023

Desiganted Ugly Fat Friend. A common acronym used in male cliques. Used to refer to the girl that the "hot chicks" bring along to distract the "Wingman" (every male clique has one, his job is to intercept the DUFF.) so the ycan have the more desirable males of the group.
by TXwolfman817 February 24, 2009

The act of having a Thoroughbreed studding horse take Mr. Beto O. up his loose caboose. This demonstration requires an armed man dressed like Tonto to hold the reigns of the horse whle the every-willing Beto O. is mounted and studded. During this punishment of Mr Beto for his recent demonstrations of ignorance and lack of empathy, long time NRA member, William Duff will fire 10 rounds of bee bees at Mr Beto's genitalia to further excite the horse and Beto. At the moment of climax, Mr. Duff will begin the chorus of Pour Some Sugar on Me that Beto will continue until he collapses on the ground in total exhaustian. Tonto will offer a warm towel to Beto and escort him away from Silver the Studdly Horse. Optional: If avaialble, you may add a fully dressed look a like of The Lone Ranger.
After seeing some recent political nonsense from Mr Beto, I believe he must be punished and pay for his wrong doing by performing the Texas Beto Duff Fluffer
by Sonnyd2022 June 2, 2022
