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It means that something is really cool.

This word is a shizzolation of the word 'Biznatch' which in turn is a sheezyation of the word 'Biatch' (Itself the nizzmotronic version of 'Bitch') or 'Business' depending on who you ask.
Look mum, I just got the new edition of Gangstaz Weekly with LL Cool Frood on the cover! It's da biznatchmium!
by ashmodeus July 23, 2004
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