fro-dong Share definition Flag the "responsible" roomate.the one you pay all the money to and he then pays the monthly bills. I gave fro-dong money for rent today. fro-dong loves the simpsons. fro-dong got a cool new colts jersey. fro-dong by brah 3 June 21, 2007 0 0 Get merch Get the fro-dong mug. Buy Now — $32.95 See more merch