fomclanirotflol (internet acronym) - Fell off my chair laughing and now I'm rolling on the floor laughing out loud.
Mostly used in chat rooms and games, like "lol" (Laughing Out Loud) is this often used to laugh at people that are n00bs or people that has said something n00bish.

fomclanirotflol comes from the commonly used internet acronym rofl.
When somebody said the capital of Paris was French I fomclanirotflol
by David the Irish barman January 30, 2012
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