When a person of a particular race emulate and/or have an obsession with black culture or people.
This term, along with negroidian expenditures were coined by Wendy Williams during her early 2000's NYC-basedradio show, The Wendy Williams Experience.
That white boy actting like he come from the projects. Maybe he has a negroidian affectation?
A general word used to express joy, excitement, or confirmation. It is synonymous with "awesome", and "great."
The term is advised to only be used around those who regularly endulge in satire (i.e. people who know you are not a racist), for, despite its origin, it is not meant to be used in an offensive manner whatsoever.