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An underweight bag of weed. Mimics the system whereby an 'eighth' = 1/8 oz and a 'teenth' = 1/16 oz. In practice a 'deanth' will be a bag sold as an 'eighth' but weighing noticeably less.
Named for a dealer who regularly sold such short measures.
"An eighth my arse, this is more of a deanth!"
by oracle November 29, 2006
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