fladoinkanoink Share definition Flag when two or more gays fuck each other up the ass while the others are cumming in eachother's mouths. "Bryant, Jason and Seth were having a fladoinkanoink party at their bestfriends bat mitzvah." fladoinkanoink by rihyojmkl September 29, 2009 0 0 Get merch Get the fladoinkanoink mug. Buy Now — $32.95 See more merch