nigerian waterfall Share definition Flag A Nigerian Waterslide is when you 69 with a person,and they fart and spray your face with nastiness. i was eating her pussy and she farted and i went over the Nigerian Waterfall nigerian waterfall by AnacondaReborn November 13, 2010 0 0 Get merch Get the nigerian waterfall mug. Buy Now — $32.95 See more merch