Lysol Sure Share definition Flag When you are 99.9% sure of something Guy #1 - "Yo how many times did the Phillies win the World Series?"Guy #2 - " Its 2, I'm Lysol sure." Lysol Sure by 1234ben5678 July 17, 2013 0 0 Get merch Get the Lysol Sure mug. Buy Now — $32.95 See more merch