shiomiteeing Share definition Flag (verb) the act of shitting, vomitting, and peeing at the same time as a direct result of being drunk the night before. Holy hell, I can hear Tara shiomiteeing in her bathroom! shiomiteeing by Elllss March 9, 2011 0 0 Get merch Get the shiomiteeing mug. Buy Now — $32.95 See more merch