Early electronic dance music (EDM) events in warehouses and deserts brought diverse groups together. The music became known as "Hardcore" because it represented the "core" ideals of these diverse ravers—fast, hard, and abstract sounds.
By the early 2000s, the raw energy of these subcultures began to appear in popular media as a shorthand for youth rebellion or urban decay. We see this in: : Shows like Miami Vice or HBO’s party hardcore gone crazy vol 17 xxx 640x360 better