A large home or mansion in an affluent area owned by a black person that was able to purchase the residence without hard work (e.g. winning the lotto, becoming a famous yet untalented actor/singer, dealing drugs, etc.)
The children were told by there parents to stay away from the Williams house because it was in fact a nigger castle and they might get shot or stabbed if they wandered to close.
by Romath April 14, 2011