"la-la-land" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {},
      "expansion": "la-la-land",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "La-La Land"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016 September 26, Rory Carroll, “The boho-drain: bohemians say goodbye San Francisco, hello LA”, in The Guardian",
          "text": "Once upon a time it seemed San Francisco artists visited Los Angeles only on condition they were tripping on LSD, or some other hallucinogen. How else to survive the concrete landscape and endless traffic, the airheads and flakes, the tinsel and hustle and sheer vapidity of a metropolis which considered la-la-land a compliment?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of La-La Land"
      ],
      "id": "en-la-la-land-en-name-FZH3AIHX",
      "links": [
        [
          "La-La Land",
          "La-La Land#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "la-la-land"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "la-la-land",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "La-La Land"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "2016 September 26, Rory Carroll, “The boho-drain: bohemians say goodbye San Francisco, hello LA”, in The Guardian",
          "text": "Once upon a time it seemed San Francisco artists visited Los Angeles only on condition they were tripping on LSD, or some other hallucinogen. How else to survive the concrete landscape and endless traffic, the airheads and flakes, the tinsel and hustle and sheer vapidity of a metropolis which considered la-la-land a compliment?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of La-La Land"
      ],
      "links": [
        [
          "La-La Land",
          "La-La Land#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "la-la-land"
}