"blind man's bluff" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "blind man's bluff (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "blind man's buff"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Games",
          "orig": "en:Games",
          "parents": [
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of blind man's buff"
      ],
      "id": "en-blind_man's_bluff-en-noun-QkNH0J6S",
      "links": [
        [
          "games",
          "game#Noun"
        ],
        [
          "blind man's buff",
          "blind man's buff#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, games) Alternative form of blind man's buff"
      ],
      "tags": [
        "US",
        "alt-of",
        "alternative",
        "uncountable"
      ],
      "topics": [
        "games"
      ]
    }
  ],
  "word": "blind man's bluff"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "blind man's bluff (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "blind man's buff"
        }
      ],
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Games"
      ],
      "glosses": [
        "Alternative form of blind man's buff"
      ],
      "links": [
        [
          "games",
          "game#Noun"
        ],
        [
          "blind man's buff",
          "blind man's buff#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, games) Alternative form of blind man's buff"
      ],
      "tags": [
        "US",
        "alt-of",
        "alternative",
        "uncountable"
      ],
      "topics": [
        "games"
      ]
    }
  ],
  "word": "blind man's bluff"
}