when a big black guy has a gigantic huge mega rainbow colored dick that destroys any other penis and asshole in its path. It can turn any female into a male by flipping the vagina inside out and turning it into a dick. it is commonly used by anti gay politicians to stick up there urethra.
In the event that a "cool nigga" acquires enough respect from fellow "niggas" that he has therefore earned the title of "nigga boy swag"; The coolest of all street niggas.