"gargalhada fatal" meaning in Portuguese

{
  "etymology_text": "gargalhada (“laugh”) + fatal (“deathly”)",
  "forms": [
    {
      "form": "gargalhadas fatais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "gargalhada fatal f (plural gargalhadas fatais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Brazilian Portuguese",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Laughter",
          "orig": "pt:Laughter",
          "parents": [
            "Happiness",
            "Reflexes",
            "Emotions",
            "Human behaviour",
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "evil laugh"
      ],
      "id": "en-gargalhada_fatal-pt-noun-71lDD9dM",
      "links": [
        [
          "evil laugh",
          "evil laugh"
        ]
      ],
      "raw_glosses": [
        "(Brazil) evil laugh"
      ],
      "tags": [
        "Brazil",
        "feminine"
      ]
    }
  ],
  "word": "gargalhada fatal"
}

{
  "etymology_text": "gargalhada (“laugh”) + fatal (“deathly”)",
  "forms": [
    {
      "form": "gargalhadas fatais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "gargalhada fatal f (plural gargalhadas fatais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Brazilian Portuguese",
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "pt:Laughter"
      ],
      "glosses": [
        "evil laugh"
      ],
      "links": [
        [
          "evil laugh",
          "evil laugh"
        ]
      ],
      "raw_glosses": [
        "(Brazil) evil laugh"
      ],
      "tags": [
        "Brazil",
        "feminine"
      ]
    }
  ],
  "word": "gargalhada fatal"
}