KY Baby Share definition Flag We two men have anal sex with a condom and ky jelly. As the guy bust the jizz in the condom and ky jelly become a KY BABY that is birth from the other guys anus. When you see two fags walking down the street with a big smile know that they just had a KY Baby. KY Baby by Mindslut January 11, 2012 0 0 Get merch Get the KY Baby mug. Buy Now — $32.95 See more merch