Define Duff Meaning

Duff

pass me another Duff Mo
By Hyacinthia
Duff

Two hot chicks at a bar will have a really nasty fat ugly bitch hanging out with them, refered to as a "DUFF".

"Wow that fat DUFF is hanging out with those two attractive ladies, too bad."
By Rubie
Duff

That 3rd girl is definitely the duff of the group.
By Tawnya
Duff
A simple pudding eaten by 19th century sailors. This was given to the crew once or twice a week at the most if they were working hard, or if the captain wanted to motivate them. Consisted of flour, boiled water, and whatever available fruit or molasses. Considered to be quite a luxury.

Having been unruly, the crew did not receive duff last Sunday.
By Tony
Duff
UK usage

1) Something that's flawed or faulty

2) To duff up, to assault, beat up etc

He sold me a duff DVD so I duffed him up.
By Ira
Duff

Get off your duff and help me with these dishes!
By Oralle
Duff
A unattractive female who is always seen with another female who is marginally more attractive. It is usually impossible to score with the hotter female without the duff receiving her fair share of the action.

Damn! I so wanna tap that chick.. but goddamn, she always has that duff Nicole hanging off her. Look at that fat mess!
By Noni
Duff
marijuana that has already been run through a vaporizer at least once.

all i've got left to vaporize is some duff from last week, but we can still get pretty high.
By Trude
Duff
The unattractive girl that a hot girl keeps around to make herself and her friends look better. Stands for "Dumb Ugly Fat Friend". THe DUFF tends to be a cockblock or a third wheel. See also "Grenade".

Why do I always get stuck with the DUFF?
By Doloritas
Duff
a teenage pop star with absolutely no talent.

By Liana