"crackup" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crack up"
      },
      "expansion": "Deverbal of crack up",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal of crack up.",
  "forms": [
    {
      "form": "crackups",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "crack-up",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crackup (plural crackups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English deverbals",
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1936, Joseph R. James, \"More Gates Air Circus Antics\" (Popular Aviation, November 1936)",
          "text": "They shook the head of the unconscious pilot and when the latter opened his eyes, blinking wildly, the other members of the family lifted up the tail of the overturned crate sufficiently high enough to enable the dazed pilot, after releasing his belt, to fall out of the cockpit head first and disengage himself from the crack-up."
        }
      ],
      "glosses": [
        "A crash or wreck, generally involving a car or airplane."
      ],
      "id": "en-crackup-en-noun-ICo6Utup"
    }
  ],
  "word": "crackup"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crack up"
      },
      "expansion": "Deverbal of crack up",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal of crack up.",
  "forms": [
    {
      "form": "crackups",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "crack-up",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crackup (plural crackups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English deverbals",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English phrasal nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Automotive",
        "en:Aviation"
      ],
      "examples": [
        {
          "ref": "1936, Joseph R. James, \"More Gates Air Circus Antics\" (Popular Aviation, November 1936)",
          "text": "They shook the head of the unconscious pilot and when the latter opened his eyes, blinking wildly, the other members of the family lifted up the tail of the overturned crate sufficiently high enough to enable the dazed pilot, after releasing his belt, to fall out of the cockpit head first and disengage himself from the crack-up."
        }
      ],
      "glosses": [
        "A crash or wreck, generally involving a car or airplane."
      ]
    }
  ],
  "word": "crackup"
}