"sweet thirteen" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sweet",
        "3": "thirteen"
      },
      "expansion": "sweet + thirteen",
      "name": "com"
    }
  ],
  "etymology_text": "From sweet + thirteen. Coined in analogy to sweet sixteen; an Americanization of the Jewish threshold of adulthood time for girls.",
  "forms": [
    {
      "form": "sweet thirteens",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sweet 13",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sweet thirteen (plural sweet thirteens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of bat mitzvah"
      ],
      "id": "en-sweet_thirteen-en-noun-ZYHwjjNG",
      "links": [
        [
          "bat mitzvah",
          "bat mitzvah#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Synonym of bat mitzvah"
      ],
      "related": [
        {
          "word": "sweet fifteen"
        },
        {
          "word": "sweet sixteen"
        },
        {
          "word": "sweet seventeen"
        },
        {
          "word": "quinceanera"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "bat mitzvah"
        }
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "sweet thirteen"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sweet",
        "3": "thirteen"
      },
      "expansion": "sweet + thirteen",
      "name": "com"
    }
  ],
  "etymology_text": "From sweet + thirteen. Coined in analogy to sweet sixteen; an Americanization of the Jewish threshold of adulthood time for girls.",
  "forms": [
    {
      "form": "sweet thirteens",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sweet 13",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sweet thirteen (plural sweet thirteens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "sweet fifteen"
    },
    {
      "word": "sweet sixteen"
    },
    {
      "word": "sweet seventeen"
    },
    {
      "word": "quinceanera"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Synonym of bat mitzvah"
      ],
      "links": [
        [
          "bat mitzvah",
          "bat mitzvah#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Synonym of bat mitzvah"
      ],
      "synonyms": [
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          "word": "bat mitzvah"
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      "tags": [
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    }
  ],
  "word": "sweet thirteen"
}