duff
1 Americannoun
noun
verb (used with object)
-
to give a deliberately deceptive appearance to; misrepresent; fake.
-
British. (in golf ) to misplay (a golf ball), especially to misjudge one's swing so that the club strikes the ground behind the ball before hitting it.
-
Australian.
-
to steal (cattle).
-
(formerly) to alter the brand on (stolen cattle).
-
-
to cheat someone.
noun
-
organic matter in various stages of decomposition on the floor of the forest.
-
fine, dry coal, especially anthracite.
verb
-
slang to change the appearance of or give a false appearance to (old or stolen goods); fake
-
slang to steal (cattle), altering the brand
-
Also: sclaff. informal golf to bungle (a shot) by hitting the ground behind the ball
adjective
noun
-
a thick flour pudding, often flavoured with currants, citron, etc, and boiled in a cloth bag
plum duff
-
slang pregnant
noun
Etymology
Origin of duff1
First recorded in 1885–90; expressive word, perhaps akin to doup
Origin of duff2
First recorded in 1830–40; dialectal variant ( Scots, North England) of dough
Origin of duff3
First recorded in 1830–40; back formation from duffer, in the slang senses “something inferior or counterfeit” or “a peddler of inferior goods”
Origin of duff4
First recorded in 1835–45; originally Scots dialect; perhaps metaphorical use of duff 2, by association with Scots dowf “decayed, rotten,” deaf “(of soil) unproductive, springy to the tread”; see dowf
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I could flood this list with Championship Manager 01-02 wonderkids - there is room for more later - but we'll just give honorary nods to Maksim Tsigalko, Mark Kerr, Mike Duff, Kennedy Bakircioglu et al.
From BBC • May 5, 2026
Records show that Duff purchased another larger Austin dwelling in 2021: an enormous under-construction mansion that was not completed until 2022.
From MarketWatch • May 1, 2026
Lizzie McGuire star Hilary Duff led the tributes to her former on-screen father, writing on Instagram: "This one hurts. It's really hard to face this reality about an old friend."
From BBC • Feb. 24, 2026
But as Duff points out on a recent afternoon, the paisley-print guitar is all hers.
From Los Angeles Times • Feb. 20, 2026
Duff started the process and Adina finished it by kicking them off with her feet.
From "Beauty Queens" by Libba Bray
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.