"swack-up" meaning in All languages combined

{
  "etymology_text": "UK c. 1860s. Used at Christ's Hospital School, Sussex.",
  "forms": [
    {
      "form": "swack-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "swack-up (plural swack-ups)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A lie; a falsehood."
      ],
      "id": "en-swack-up-en-noun-Zw65Oy36",
      "links": [
        [
          "school",
          "school"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "lie",
          "lie"
        ],
        [
          "falsehood",
          "falsehood"
        ]
      ],
      "qualifier": "school slang",
      "raw_glosses": [
        "(dated, British, school slang) A lie; a falsehood."
      ],
      "tags": [
        "British",
        "dated"
      ],
      "wikipedia": [
        "Christ's Hospital"
      ]
    }
  ],
  "word": "swack-up"
}

{
  "etymology_text": "UK c. 1860s. Used at Christ's Hospital School, Sussex.",
  "forms": [
    {
      "form": "swack-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "swack-up (plural swack-ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English school slang",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A lie; a falsehood."
      ],
      "links": [
        [
          "school",
          "school"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "lie",
          "lie"
        ],
        [
          "falsehood",
          "falsehood"
        ]
      ],
      "qualifier": "school slang",
      "raw_glosses": [
        "(dated, British, school slang) A lie; a falsehood."
      ],
      "tags": [
        "British",
        "dated"
      ],
      "wikipedia": [
        "Christ's Hospital"
      ]
    }
  ],
  "word": "swack-up"
}