"old head" meaning in English

{
  "forms": [
    {
      "form": "old heads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "old head (plural old heads)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "African-American Vernacular English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An older male gangsta or thug, especially one who is no longer active; an older black man with street cred."
      ],
      "id": "en-old_head-en-noun-33d3nCMS",
      "links": [
        [
          "gangsta",
          "gangsta"
        ],
        [
          "thug",
          "thug"
        ],
        [
          "street cred",
          "street cred"
        ]
      ],
      "qualifier": "African-American Vernacular",
      "raw_glosses": [
        "(slang, African-American Vernacular) An older male gangsta or thug, especially one who is no longer active; an older black man with street cred."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "old head"
}

{
  "forms": [
    {
      "form": "old heads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "old head (plural old heads)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "African-American Vernacular English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An older male gangsta or thug, especially one who is no longer active; an older black man with street cred."
      ],
      "links": [
        [
          "gangsta",
          "gangsta"
        ],
        [
          "thug",
          "thug"
        ],
        [
          "street cred",
          "street cred"
        ]
      ],
      "qualifier": "African-American Vernacular",
      "raw_glosses": [
        "(slang, African-American Vernacular) An older male gangsta or thug, especially one who is no longer active; an older black man with street cred."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "old head"
}