A term used best by Katt Williams the comedian. The word "niggadom" is derived from the word "kingdom" to interpretcurrent events that would only happen in the black community.
When a female thot of the species homo sapien adapts a sophisticated mental system of being alerted when a nigga about to stare. This protects the thot from unworthy Nigga adversary.
nigga 1: bro u gay? Why you didn’t check out that thot?
nigga 2: nah bro, she caught me before I could even turn my head, that hoe must have niggadar!