What does the LMFAO stand for?

Answer 1

It's commonly used when the person is actually laughing, hence the extra o; the sentence however has an typo-graphical error, or the said person's sentence doesn't make sense in the situation.

Answer 2

It is an abbreviation used when texting to indicate hilarity:

"(L)aughing (M)y (F)[expletive] (A)[bottom] (O)ff"

A modification of 'LMAO' to include the expletive.

Answer 3

LMAO Stands for Laughing my A$$ off. LMBO is a slightly euphemistic Laughing My Butt Off.

Answer 4

licking other lions, and look, my animal ores.

Answer 5

LMAO stands for "laughing my a** off."