Jizzamagoo Share definition Flag A word made by me that you use as in insult or just for the hell of it. Haha its mister jizzamagoo Hey whats up? Jizzamagoo!!! Jizzamagoo by Matt M November 22, 2003 0 0 Get merch Get the Jizzamagoo mug. Buy Now — $32.95 See more merch