Maneffa Share definition Flag A white boy under the impression that he's African-American. Typically hangs out with other Africans believing he's one of them. Kid 1: Who's that white kid over with all the black kids? Kid 2: Oh just another Maneffa. Maneffa by Panterra12345 March 7, 2011 0 0 Get merch Get the Maneffa mug. Buy Now — $32.95 See more merch