pepso Abyssmal Share definition Flag When having intercourse with a woman during her period, to ejaculate within, then go down and drink the mixture. Do ya really need one? Pepso abyssmal is just wrong. Drink up! pepso Abyssmal by brickbat August 31, 2009 0 0 Get merch Get the pepso Abyssmal mug. Buy Now — $32.95 See more merch