ROMFFLMMFAO Share definition Flag A really long way of saying "lol". Dude, I just saw some guy get hit in the head with a coconut and now I'm ROMFFLMMFAO! ROMFFLMMFAO by skppy1225 September 8, 2008 0 0 Get merch Get the ROMFFLMMFAO mug. Buy Now — $32.95 See more merch