(n.) A Genre of music consisting mainly of heavy metal style acoustic guitar breakdowns, blastbeats, auto-tuned vocals, and various other vocal style's commonly associated with heavy metal including pigsqueals, grunts, and growls. The term was first coined in 2010 by Lucas Duchene and later was widely accepted by his band-mates and fans alike.
PARKOUR GUY #1: "I wish I had some epic music to listen to while jumping off this building."
PARKOUR GUY #2: "Here! Listen to this new genre called Adventurecore!"