Acronym standing for Laughing My F-ing Ass Off So F-ing Hard Right Now. Used to describe how hard you are laughing at something/someone. Longer version of LMAO or LMFAO.
Text message one: "Hey so I saw you're pics from last nights party!"
Reply: "LMFAOSFHRN that was one hell of a party!"
Reply: "LMFAOSFHRN that was one hell of a party!"
by mimmalee October 2, 2011
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