It means Rolling On the Floor Laughing my My Freaking A** Off Out Loud. It is a combination of rofl, lmfao and lol. Basically a really long way to say you are laughing hard.
by Kidzspeed5 February 10, 2018

When I saw your cat leap off your house onto your sister's face, I roflmfaool'd. Then she stepped on me.
by SoullessOne February 12, 2010

I was like ROFLMFAOOL!
by knite23 March 07, 2004

by AgentTuesday May 02, 2009
