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1.
Hardcore music where you can't understand a word the person is "singing". Listened to by crazy demon worshipers.
Satan Worshiper: DEMON ROCK KICKS ASS!!!
Matt: Nah it kinda sucks...
by mc_glow June 07, 2006

Words related to demon rock

big crazy demon rock sucks
 
2.
A hilarious song not intended to be taken seriously with utterly horrible vocals. See also: Gwar.
"Meat Sandwich" by Gwar is ultimate demon rock!
by ken landis September 16, 2004