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1.
An expression used towards someone who has committed an egregious error, social taboo, or idiotic remark.
Dude, you have no business being out in public after what you just pulled.
by dalbort June 03, 2007
 
2.
When you get violated and shout this, which pretty much means, "Oh no you don't!"
(Lana mauls Jordan with licks and pretty much molests the poor boy)
"NO BUSINESS!"
by Jordan July 23, 2004