Definition of "duff" [duff]

• A stiff flour pudding boiled in a cloth bag or steamed. (noun)
• Decaying leaves and branches covering a forest floor. (noun)
• Fine coal; slack. (noun)
• Slang The buttocks. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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