English Etymology From horror + -core. Noun horrorcore (uncountable) English Wikipedia has an article on:horrorcoreWikipedia (music) A subgenre of hip-hop music with horror-themed lyrics and imagery. 1997, Vibe, volume 5, numbers 1-3:Lots of us remember the pioneering zeal that the Gravediggaz unleashed on their debut disc, 1994's 6 Feet Deep — a ghoulish effort that spawned the so-called horrorcore genre. Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads