"pickled punk" meaning in English

{
  "forms": [
    {
      "form": "pickled punks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pickled punk (plural pickled punks)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A human foetus preserved in a jar, exhibited as part of a carnival sideshow."
      ],
      "id": "en-pickled_punk-en-noun-r-evjE-P",
      "links": [
        [
          "human",
          "human"
        ],
        [
          "foetus",
          "foetus"
        ],
        [
          "preserve",
          "preserve"
        ],
        [
          "jar",
          "jar"
        ],
        [
          "carnival",
          "carnival"
        ],
        [
          "sideshow",
          "sideshow"
        ]
      ],
      "raw_glosses": [
        "(slang, historical) A human foetus preserved in a jar, exhibited as part of a carnival sideshow."
      ],
      "tags": [
        "historical",
        "slang"
      ]
    }
  ],
  "word": "pickled punk"
}

{
  "forms": [
    {
      "form": "pickled punks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pickled punk (plural pickled punks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with historical senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A human foetus preserved in a jar, exhibited as part of a carnival sideshow."
      ],
      "links": [
        [
          "human",
          "human"
        ],
        [
          "foetus",
          "foetus"
        ],
        [
          "preserve",
          "preserve"
        ],
        [
          "jar",
          "jar"
        ],
        [
          "carnival",
          "carnival"
        ],
        [
          "sideshow",
          "sideshow"
        ]
      ],
      "raw_glosses": [
        "(slang, historical) A human foetus preserved in a jar, exhibited as part of a carnival sideshow."
      ],
      "tags": [
        "historical",
        "slang"
      ]
    }
  ],
  "word": "pickled punk"
}