"vocaboomer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "w:VOCALOID",
        "3": "boomer"
      },
      "expansion": "Blend of VOCALOID + boomer",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of VOCALOID + boomer.",
  "forms": [
    {
      "form": "vocaboomers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "vocaboomer (plural vocaboomers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fans (people)",
          "orig": "en:Fans (people)",
          "parents": [
            "Fandom",
            "People",
            "Culture",
            "Human",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Singing voice synthesis",
          "orig": "en:Singing voice synthesis",
          "parents": [
            "Musical instruments",
            "Singing",
            "Music",
            "Tools",
            "Talking",
            "Art",
            "Sound",
            "Technology",
            "Human behaviour",
            "Language",
            "Culture",
            "Energy",
            "All topics",
            "Human",
            "Communication",
            "Society",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "someone who entered the VOCALOID fandom prior to ~2015"
      ],
      "id": "en-vocaboomer-en-noun-eYmmVAxk",
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) someone who entered the VOCALOID fandom prior to ~2015"
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ],
      "translations": [
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "bokaro kosan",
          "sense": "fan",
          "word": "ボカロ古参"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "kosan bokaro-chū",
          "sense": "fan",
          "word": "古参ボカロ厨"
        }
      ]
    }
  ],
  "word": "vocaboomer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "w:VOCALOID",
        "3": "boomer"
      },
      "expansion": "Blend of VOCALOID + boomer",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of VOCALOID + boomer.",
  "forms": [
    {
      "form": "vocaboomers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "vocaboomer (plural vocaboomers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English blends",
        "English countable nouns",
        "English entries with incorrect language header",
        "English fandom slang",
        "English lemmas",
        "English links with redundant alt parameters",
        "English links with redundant wikilinks",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Japanese translations",
        "en:Fans (people)",
        "en:Singing voice synthesis"
      ],
      "glosses": [
        "someone who entered the VOCALOID fandom prior to ~2015"
      ],
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) someone who entered the VOCALOID fandom prior to ~2015"
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ]
    }
  ],
  "translations": [
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "bokaro kosan",
      "sense": "fan",
      "word": "ボカロ古参"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "kosan bokaro-chū",
      "sense": "fan",
      "word": "古参ボカロ厨"
    }
  ],
  "word": "vocaboomer"
}