Derived from the word "Atmosphere", Blackmosphere is a term used to describe the atmosphere at a certain place being comprised of mostly black individuals.
I was driving in a shady neighborhood and noticed the change in blackmosphere when we entered.
The invisible aura that surrounds people of color which makes white guys try to speak and act "cool."
White guy at another white guys house,"My wife made these brownies for you."
White guy at a black guys house,overcome by blackmosphere, "Yo, my b**** made these brownies for you."