Synonymous to Biznatch. Doesn't have as strong of a connotation as "Biznatch" and in this case, it can't be misconstrued as having anything to do with "Bitch". Many times, biznarth is used where the word "biznatch" has effectively become overused, such as in California, where snoopdogification has spread through the countryside like the plague.
Listen up Biznarth. I'm gonna chop off your badatz if you continue looking at my hoe like that!