Laughing my ass off rolling on the floor laughing biting the carpet, scaring the cat, nearly dying by falling out of the window in front of a guy who looks like Bill Gates, who then horrified runs out on the street and is accidentally killed by a yellow bulldozer.

Acronym, derived from LOL (laugh out loud) LMAO (laughing my ass off) and ROFL (rolling on floor laughing).

LMAOROTFLBTCSTCNDBFOOTWI FOAGWLLBGWTHROOTSAIAKBAYB: Laughing my ass off rolling on the floor biting the carpet, scaring the cat, nearly dying by falling out of the window in front of a guy who looks like Bill Gates, who then horrified runs out on the street and is accidentally killed by a yellow bulldozer.