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LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB 

One of the longest internet acronyms, LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB, stands for "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".

To be used when something is INCREDIBLY funny. Should not be used unless you are ACTUALLY laughing.
Person 1: " .. and that's when the banker said 'That's not the golfer! That's my wife!' "
Person 2: "LMAOROTFBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB."

lmaoarotfbnq 

Laughing my ass off, almost rolling on the floor, but not quite

Used in situations where you feel like your ass will fall off but your still sitting in your chair, about to start rolling on the floor
Example 1

Person #1 "Hahaha is that a guy or a girl?!"

Person #2 "LMAOAROTFBNQ! I don't know!!"

Example 2

Person #1 "OMG it's Mr Potato Head!"

Person #2 "ahahah I'm lmaoarotfbnq!"
lmaoarotfbnq by jman96 April 25, 2011

LMAOROTFLBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB

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.
Bob: So then I says 'that's not a cow, it's my sister!'
Sam: omg... LMAOROTFLBTCSTCNDBFOOTWIFOAGWLLBGWTHROOTSAIAKBAYB

lmfaoroffloflhaha 

Laughing my fucking ass off rolling on the fucking floor laughing out fucking loud, haha.

Something you say when you want to sarcastically exaggerate laughing on the internet.
Bob - "Your mom"
Nat - "lmfaoroffloflhaha, stfu."
lmfaoroffloflhaha by gsgsaggar October 7, 2008

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.
Today, I was talking to my friend on facebook. The conversation got funny and I cracked a joke, he replied with "LMAOROTFLBTCSTCNDBFOOTWI FOAGWLLBGWTHROOTSAIAKBAYB". When I questioned him about it, he wrote "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." Never again will I say "lol". MLIA

lmfaoroflol 

Laugh my fucking ass off roling on the floor laughing out loud.
Dude 1: I like pie.

Dude 2: LMFAOROFLOL!
lmfaoroflol by Con Georgette February 17, 2008
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