natnaai Posted in N Best definition natnaai Afrikaans slang for a complete and utter imbecile. Someone who does nothing but fuck shit up. Jy is ‘n regte natnaai. Daardie natnaai het op my suster se tette gekom. How satisfied are you with the definition? Looking for natnaai meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 73 times.