1 definition by serious faces

Verb; To smoke marijuana. To smoke weed. Term mostly used in Queens, NY. Originated by the Smart Crew. Sometimes, other constantans substitute the first letter of the word such as "buff, muff, fluff, huff, wuff, etc..."

Noun; Marijuana, weed, etc...
Where's Warren? He's duffing in the basement.

Anyone got some duff I can buy off them or throw down on?

GR only duffs that pure premium.
by serious faces May 19, 2009
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