ko poo Share definition Flag To be punched so hard in a UFC match that the recipeant of the pucnch gets diqulified on account that he soiled his draws. Omg that was a KO poo!!! ko poo by Seize the Carpe March 10, 2009 0 0 Get merch Get the ko poo mug. Buy Now — $32.95 See more merch