1. Someone who is a fan of the sub-genre "metalcore" - one who attends metalcore shows and mosty upholds an appearance standard to the sub-culture.
2. An enemy of Metalheads and close cousin to emo kids.
synonyms: scene kid, scenester, poser, poseur.
1. Hey look at that hot topic core kid. I want to slowly torment and torture him until he dies.
2. Telling the difference between female and male core kids is nearly impossible.