What does FFCL mean or stand for ?

FFCL is an expression used online when two or more computer users that are chatting.When one of them is so excited and laughing so hard – he says – ” Mike that was so hilarious I’m FFCL”.Its  a phrase used to express extreme exuberance,joy and hilarity.

It is derivative of the older much more famous ROTFL  which is Rolling on the floor laughing.This has been used a lot ever since it was conceptualized nearly two decades ago.