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1.
A genre of music mixing mainstream electronica and cult horror movies or books.

The band Creature Feature is a prime example of Horrotronic, referencing Night of the Living Dead, the Gashlycrumb Tinies, and the works of Edgar Allen Poe in their songs.
"I couldn't get to sleep last night."
"Why not?"
"I was listening to horrotronic and got totally freaked out by (insert something stupid here)"
by Failkid July 04, 2009