"hardest-core" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "examples": [
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          "ref": "2012 March 30, Joe Levy, “Rockers at Sea”, in The New York Times:",
          "text": "Still, artists and managers insist the real draw is the same as for the fans: the once-in-a-lifetime nature of the event. “You’re playing to a couple of thousand people who love what you do, the hardest-core fans,” Kid Rock said.",
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      "form_of": [
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          "extra": "most hardcore",
          "word": "hardcore"
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      "glosses": [
        "superlative form of hardcore: most hardcore"
      ],
      "id": "en-hardest-core-en-adj-FM83v2Kw",
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          "hardcore#English"
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  "word": "hardest-core"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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        {
          "ref": "2012 March 30, Joe Levy, “Rockers at Sea”, in The New York Times:",
          "text": "Still, artists and managers insist the real draw is the same as for the fans: the once-in-a-lifetime nature of the event. “You’re playing to a couple of thousand people who love what you do, the hardest-core fans,” Kid Rock said.",
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        "superlative form of hardcore: most hardcore"
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          "hardcore#English"
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  "word": "hardest-core"
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