Duff

[duhf] /dʌf/

noun, Slang.
1.
the buttocks or rump:
If you don’t like the way things are, get off your duff and do something about it!
[duhf] /dʌf/
noun
1.
a stiff flour pudding, boiled or steamed and often flavored with currants, citron, and spices.
[duhf] /dʌf/
verb (used with object), Slang.
1.
to give a deliberately deceptive appearance to; misrepresent; fake.
2.
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.
3.
Australian.

4.
to cheat someone.
[duhf] /dʌf/
noun
1.
organic matter in various stages of decomposition on the floor of the forest.
2.
fine, dry coal, especially anthracite.
/dʌf/
noun
1.
a thick flour pudding, often flavoured with currants, citron, etc, and boiled in a cloth bag: plum duff
2.
(slang) up the duff, pregnant
/dʌf/
verb (transitive)
1.
(slang) to change the appearance of or give a false appearance to (old or stolen goods); fake
2.
(Austral, slang) to steal (cattle), altering the brand
3.
(golf, informal) Also sclaff. to bungle (a shot) by hitting the ground behind the ball
adjective
4.
(Brit, informal) bad or useless, as by not working out or operating correctly; dud: a duff idea, a duff engine
/dʌf/
noun
1.
(slang) the rump or buttocks
n.

“buttocks, rump,” 1830s, of unknown origin.

noun

The buttocks; rump; ass: A bunch of lazy guys sitting around on our duffs

[1830s+; origin uncertain; perhaps black slang for fud, ”buttocks,” attested by 1785; perhaps fr duff, ”a (sailors’) pudding boiled in a bag,” which bag may have suggested a human fundament in shape; in this sense duff is a Northern pronunciation of dough]

1. Duff’s device.
2. Tom Duff.