Founder of Run DMC that died October 30, 2002.
Run DMC and Jam Master Jay are the illest.
by anonymous October 30, 2004
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An overly excited male who feels very strong emotions towards a piece of stimuli.
*One of your alternative genre tracks come on in the club*

Guy 1: 'This is my fucking jam!'

Guy 2: 'What even is this!?'

Guy 1: 'OMG jizz!'

Guy 2: 'Ok, Jizz Master Jay...'
by Corbusier December 22, 2014
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Master jay is the world's greatest hypnotist/content creator. Everyone loves him
"Hey dude, do you know Master Jay?"
"Yes, he's so hot"
by Crazy_Omen September 22, 2022
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