"mano negra" meaning in Spanish

{
  "forms": [
    {
      "form": "manos negras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "mano negra f (plural manos negras)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "99 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "99 1",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "90 10",
          "kind": "other",
          "name": "Spanish nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "cheating, funny stuff"
      ],
      "id": "en-mano_negra-es-noun-Fw4n4H4S",
      "links": [
        [
          "cheating",
          "cheating"
        ],
        [
          "funny stuff",
          "funny stuff"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "glosses": [
        "unlucky charm"
      ],
      "id": "en-mano_negra-es-noun-PXzq8QkY",
      "links": [
        [
          "unlucky",
          "unlucky"
        ],
        [
          "charm",
          "charm"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "mano negra"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish multiword terms",
    "Spanish nouns",
    "Spanish nouns with irregular gender"
  ],
  "forms": [
    {
      "form": "manos negras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "mano negra f (plural manos negras)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "cheating, funny stuff"
      ],
      "links": [
        [
          "cheating",
          "cheating"
        ],
        [
          "funny stuff",
          "funny stuff"
        ]
      ],
      "tags": [
        "feminine"
      ]
    },
    {
      "glosses": [
        "unlucky charm"
      ],
      "links": [
        [
          "unlucky",
          "unlucky"
        ],
        [
          "charm",
          "charm"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "mano negra"
}