A Makanga and a passenger wait at the Nairobi Railway Station for the departure of their Matatus. N.W.A. stands for „Niggas With Attitude“, a gangster rap group from Los Angeles that was considered revolutionary in the 80s. Every Matatu has a theme. Movies, actors or musicians are the most popular ones, such as Batman, Spiderman, House of Cards, Rihanna, Nicki Minaj the Kardashanians.