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A common internet chat acronym meaning "Jacking My Dick Off." An analogue of LMAO, "Laughing My Ass Off."
Girlfriend7530: You wanna come over this evening?
Boy2458: Can't. J.M.D.O.
by honkersale May 17, 2009
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Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
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2
Jizz/Jizzing/Jizzed My Dick Off. Used when something is sooo dope there's no other words left to use.

Can be used when describing how something looks, feels, sounds, tastes, smells..
Guy1: Dude did you see the new Gorillaz video, Stylo?
Guy2: YEAH YO, I WAS JMDO

AnotherGuy1: Hey, have you heard of Buckethead?
AnotherGuy2: Yeah man, every time I listen to his music I JMDO
by ATCQ April 27, 2010
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