"nasal demon" meaning in English

{
  "etymology_text": "From a 1992 post on the Usenet newsgroup comp.std.c; see http://www.catb.org/jargon/html/N/nasal-demons.html.",
  "forms": [
    {
      "form": "nasal demons",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
          "parents": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
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            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
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      ],
      "glosses": [
        "Unexpected behavior of a compiled program as a result of source code that employs an undefined construct."
      ],
      "id": "en-nasal_demon-en-noun-msCLeJzL",
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          "humorous",
          "humorous"
        ],
        [
          "Unexpected",
          "unexpected"
        ],
        [
          "behavior",
          "behavior"
        ],
        [
          "compile",
          "compile"
        ],
        [
          "program",
          "program"
        ],
        [
          "source code",
          "source code"
        ],
        [
          "undefined",
          "undefined"
        ],
        [
          "construct",
          "construct"
        ]
      ],
      "raw_glosses": [
        "(programming, slang, humorous, mostly plural) Unexpected behavior of a compiled program as a result of source code that employs an undefined construct."
      ],
      "tags": [
        "humorous",
        "plural",
        "slang"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
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  "word": "nasal demon"
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{
  "etymology_text": "From a 1992 post on the Usenet newsgroup comp.std.c; see http://www.catb.org/jargon/html/N/nasal-demons.html.",
  "forms": [
    {
      "form": "nasal demons",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang_code": "en",
  "pos": "noun",
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    {
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        "English multiword terms",
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        "English slang",
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        "en:Programming"
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      "glosses": [
        "Unexpected behavior of a compiled program as a result of source code that employs an undefined construct."
      ],
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        [
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        ],
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        ],
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          "compile",
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        ],
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          "program",
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        ],
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        ],
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      "raw_glosses": [
        "(programming, slang, humorous, mostly plural) Unexpected behavior of a compiled program as a result of source code that employs an undefined construct."
      ],
      "tags": [
        "humorous",
        "plural",
        "slang"
      ],
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        "computing",
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        "physical-sciences",
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        "sciences"
      ]
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