a guy who listen to awesome music.
Heyy! You listen to Chromeo???! You're an ejay!
by G4YM0NK3Y$734 August 11, 2010
2 more definitions
A program that exist that you can make you own music, but unfortunatly it has goog music to make but the default word are terrible
"rock and roll, i wanna rock and roll" or "you can dance to the jam, when jay is on you"
by Lumpy the moose July 07, 2004