n., deliberate respelling of "business" with meanings generally derived from that word. May refer to any purposeful activity, or more specifically to a particular action (commonly sexual) or a matter of personal concern. As with the word "business" from which it derives, may be used in the informal sense of a tongue-lashing or rebuke.
(referring to personal matters): "Don't be all gettin' up in my bizness."
(as a rebuke): "I ain't takin' none of her bizness about where I was last night."