"evil laughter" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "evil laughter (uncountable)",
      "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": "topical",
          "langcode": "en",
          "name": "Laughter",
          "orig": "en:Laughter",
          "parents": [
            "Happiness",
            "Reflexes",
            "Emotions",
            "Human behaviour",
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "There was evil laughter coming from the villain's lair as he was contemplating how he was going to defeat his heroic foe.",
          "type": "example"
        }
      ],
      "glosses": [
        "The stereotypical laughter produced by a villain, frequently represented as muahahaha or bwahaha."
      ],
      "id": "en-evil_laughter-en-noun-LTETxgTR",
      "links": [
        [
          "laughter",
          "laughter"
        ],
        [
          "villain",
          "villain"
        ],
        [
          "muahahaha",
          "muahahaha"
        ],
        [
          "bwahaha",
          "bwahaha"
        ]
      ],
      "synonyms": [
        {
          "word": "evil laugh"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "evil laughter"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "evil laughter (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "English uncountable nouns",
        "en:Laughter"
      ],
      "examples": [
        {
          "text": "There was evil laughter coming from the villain's lair as he was contemplating how he was going to defeat his heroic foe.",
          "type": "example"
        }
      ],
      "glosses": [
        "The stereotypical laughter produced by a villain, frequently represented as muahahaha or bwahaha."
      ],
      "links": [
        [
          "laughter",
          "laughter"
        ],
        [
          "villain",
          "villain"
        ],
        [
          "muahahaha",
          "muahahaha"
        ],
        [
          "bwahaha",
          "bwahaha"
        ]
      ],
      "synonyms": [
        {
          "word": "evil laugh"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "evil laughter"
}