Laugh My Dick and Ass Off.
Used when its so funny that your ass isn't enough. Commonly denied by Asia
"@urbanbook shiy"
"lmdaooo"
by ArabTurtle August 6, 2017
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laughing my damn ass off or laughed my damn ass off.
Person 1- "Did you see the video of Lil Wayne falling?"

Person 2- "Yeah! LMDAO!!"
by forWHAT?! August 7, 2009
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I won't be able to look anyone in the eye at work tomorrow after tonight's company Christmas party! LMDAO

She was hugging the toilet all night! #LMDAO
by lexus99 December 27, 2010
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Acronym for "Laughing My Dead Ass Off"
Usually used in text messaging for one to convey that they are seriously laughing at a funny occurrence/joke/meme/ect.
Boy1: Dude check out this meme....
Boy2: LMDAO!! I can't!!!!
Boy1: Dead Ass??

Boy2: DEAD ASS!!!
by Urbaneee December 15, 2016
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Laughing my dick ass off, When you are laughing so hard that your dick falls off with your ass.
Brooo that shit was funny I LmDaO
by Whetcvnt July 18, 2018
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Sue: Omg, i saw some dude get hit by a train.
Me: OMG, LMDAO!!!!
by 3v1lchr1s December 29, 2009
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