Lolmfao Share definition Flag Laugh out loud my fucking ass off. John: "I love you."Kate "Aww, you too babe."John "Lolmfao, sike." Kate "-___-" Lolmfao by http://sleepingwithmysirensha August 22, 2011 0 0 Get merch Get the Lolmfao mug. Buy Now — $32.95 See more merch