ROFLSHDMTSFO Share definition Flag Rolling on the floor laughing so hard I dropped my taco and my sumbraro fell off!! That was so funny that i was ROFLSHDMTSFO!! ROFLSHDMTSFO by emmayoudontknowme April 20, 2011 0 0 Get merch Get the ROFLSHDMTSFO mug. Buy Now — $32.95 See more merch