fymotflol Share definition Flag Just another way to say you are indeed, Laughing Out Loud. "Fuck Your Mom On The Floor Laughing Out Loud" OMG FYMOTFLOL he just got punched in the face! "Hey Billy, im FYMOTFLOL" fymotflol by J Swiss June 3, 2007 0 0 Get merch Get the fymotflol mug. Buy Now — $32.95 See more merch