Duff may refer to:

Wildfire terminology

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The layer of decomposing organic materials that resides between the mineral soil and the litter layer of freshly fallen twigs, needles, and leaves.

Persons

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See Duff (surname)

As given name:

• Duff Green
• Duff McKagan, former bassist for the hard rock band Guns N' Roses, current bassist for Velvet Revolver
• Hilary Duff, a pop artist.
• Damien Duff, Irish Football star

As stage name:

• Karen Duffy, MTV personality

Places

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• The Duff Islands are an island group northeast of the Santa Cruz Islands in the nation of the Solomon Islands.

Other Uses

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• Duff is also a nickname for a really attractive guy.
• DUFF refers to "Designated Ugly Fat Friend" in modern teenspeak.
• Duffs is a brand of skate shoes
• duff is everything that collects on the forest floor; mulch.
• duff is a slang term for the bits left in the bottom of the bag after the booty has been consumed; crumbs
• duff is what novice golfers do, and they are sometimes called "duffers"
• Duff, a type of pudding
• Duff Beer, a real beer made in Australia, and a fictional brand of beer featured in The Simpsons, promoted by Duff Man
• Duff's device, in computer science an optimisation for serial copy
• HMS Duff, a Captain-class frigate of the Royal Navy, named after Captain George Duff.
• "Duff" is also used as slang for "rear end", as in "Get off your duff and do something useful!"
• "Up the duff" is a UK/Aus/NZ slang for being pregnant.
• Within science fiction fandom DUFF means the Down Under Fan Fund, a fan fund to bring Australasian members of fandom to North America and vice versa, in alternating years.

Duff | Duff