A river nigger is a Mexican as they use the river to cross over to the USA and jump fences or cross at openings in fences to gain access to the USA. A fence jumper, if you will.
Donald Trump is building a wall to keep the riverniggers outta the states.
A black individiual who dresses and talks as if he is rather tough, thuggish or gangsta. But upon further inspection you find he just uses his black exterior in conjunction with inner-city dress/vernacular to appear and sell the part of being a gangsta "nigga." Really he is very weak and is easily threatened by any aggresion shown by opposition and will back down rather quickly.
Dude.....Will I.AM from Black-Eyed-Peas is such a fake nigger. I'm starting to think that Wyclef is as well.
Super nigger rage is a rare phenomenon when a black male turns red from raging hardcore. It is usually triggered when lil wayne is arrested or when a black male is forced to go to work or support his family.