"resurrection pie" meaning in English

{
  "etymology_text": "Originally school slang.",
  "forms": [
    {
      "form": "resurrection pies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "resurrection pie (plural resurrection pies)",
      "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 pie supposed to be made of the scraps and leavings of previous meals."
      ],
      "id": "en-resurrection_pie-en-noun-p0Hh~mko",
      "links": [
        [
          "scrap",
          "scrap"
        ],
        [
          "leaving",
          "leaving"
        ],
        [
          "meal",
          "meal"
        ]
      ],
      "raw_glosses": [
        "(slang, obsolete) A pie supposed to be made of the scraps and leavings of previous meals."
      ],
      "tags": [
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "resurrection pie"
}

{
  "etymology_text": "Originally school slang.",
  "forms": [
    {
      "form": "resurrection pies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "resurrection pie (plural resurrection pies)",
      "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 obsolete senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A pie supposed to be made of the scraps and leavings of previous meals."
      ],
      "links": [
        [
          "scrap",
          "scrap"
        ],
        [
          "leaving",
          "leaving"
        ],
        [
          "meal",
          "meal"
        ]
      ],
      "raw_glosses": [
        "(slang, obsolete) A pie supposed to be made of the scraps and leavings of previous meals."
      ],
      "tags": [
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "resurrection pie"
}