A Non-Black(Nigga) who lives in the ghetto. Most likely says "Nigga" a lot.
Look at this Demi-Nigga trynna Act Black.
A person of mixed African or Caribbean heritage who clearly shows signs of being Black, but isn't entirely. Also commonly known as lightskins. Demi-Niggas tend to be constantly in their feelings and have an affinity for listening to Drake tracks on repeat for hours on end.
"Ayo my moms is white."
"Oh damn son, so you a demi-nigga?"