"snake tart" meaning in English

{
  "forms": [
    {
      "form": "snake tarts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "snake tart (plural snake tarts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1842, The New Monthly Magazine, page 351",
          "text": "Muffin-cap agreed to show him the spot upon condition he would treat him with a “snake-tart” at the Eel-pie-house hard by.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An eel pie."
      ],
      "id": "en-snake_tart-en-noun-LEcjegAb",
      "links": [
        [
          "eel",
          "eel"
        ],
        [
          "pie",
          "pie"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) An eel pie."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "snake tart"
}

{
  "forms": [
    {
      "form": "snake tarts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "snake tart (plural snake tarts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with obsolete senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1842, The New Monthly Magazine, page 351",
          "text": "Muffin-cap agreed to show him the spot upon condition he would treat him with a “snake-tart” at the Eel-pie-house hard by.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An eel pie."
      ],
      "links": [
        [
          "eel",
          "eel"
        ],
        [
          "pie",
          "pie"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) An eel pie."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "snake tart"
}