DUFF
Duff
The surname Duff has several origins. In some cases it is an Anglicised form of the Gaelic Ó Duibh, Mac Giolla Duibh, Mac Duibh . The surname Duff is also sometimes a short form of Duffin, and MacElduff, and Duffy .The above text is a snippet from Wikipedia: Duff (surname)
and as such is available under the Creative Commons Attribution/Share-Alike License.
duff
Noun
Noun (etymology 2)
- Decaying vegetable matter on the forest floor.
 - Coal dust.
 - The bits left in the bottom of the bag after the booty has been consumed, like crumbs.
 - Something spurious or fake; a counterfeit, a worthless thing.
 - An error.
 
Noun (etymology 3)
- The buttocks.
 
Verb
- To disguise something to make it look new.
 - To alter the branding of stolen cattle; to steal cattle.
 - To beat (up).
- I heard Nick got duffed up behind the shopping centre at the weekend.
 
 - To hit the ground behind the ball.
 
Adjective
- Worthless; not working properly, defective.
- Why do I always get a shopping trolley with duff wheels?
 
 
The above text is a snippet from Wiktionary: duff
and as such is available under the Creative Commons Attribution/Share-Alike License.