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A term used to describe poor rock and roll music taste. Someone who is a fan of denny rock is generally a fan of shitty alternative bands such as Nickelback, Hinder and Default.
Matt: Hey dude do you think he would wanna go to the Foo Fighters concert with us?
Jim: Probably not man, that kid only listens to shitty ass denny rock.
by The Achievers December 18, 2010
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