ripass Share definition Flag 1)extreme flatulation. 2)violent expulsion of methane gas from the rectum, usually accompanied by a thick, viscous fluid.3) a huge airbiscuit. If you don't stop ripin'ass, I'm gonna through your punkass outta da car, beeotch! ripass by Steve January 6, 2003 0 0 Get merch Get the ripass mug. Buy Now — $32.95 See more merch