kooliousis Share definition Flag the koolest word know to man and/or monkeys is a addition to the word koolious friend: hey that shirt is kooliousis! bob: I know isn't it I got it for $10 at the dollar store! kooliousis by muffinsown5 February 2, 2008 0 0 Get merch Get the kooliousis mug. Buy Now — $32.95 See more merch