Commonly used in middle easterncountries to define Niggers who've settled in Syria, Pakistan, afganistan and ect. Thought of as the sub-species of man.
a sand nigger can be used to address anyone of middle eastern descent. they can usually be found in your local gas station or blowing up buildings. they drive shitty little vans that are reffered as to bindi vans which can carry a towns whole supply of nuclear explosives and/or other sand niggers