Person under the influence of a substance that causes them to be/act "dizzy" and this person typically will insist on playing some form of music game, listening to music, or making music.
Man, look at that Dizzy D over there, that guy is rockin' Guitar Hero and he just chugged half a bottle of tequila.
by Dizzy Dyl Pickle April 29, 2010
by Richard Cummins November 22, 2007
by Vlad the impailer May 30, 2011