"all singing, all dancing" meaning in English

{
  "etymology_text": "From the advertising posters used to promote the 1929 film The Broadway Melody – Hollywood’s first all-talking musical (as opposed to partially talking, partially silent) – which proclaimed the film to be “All Talking All Singing All Dancing” – see film poster. In full, the poster reads:\nMETRO-GOLDWYN-MAYER’S\nALL TALKING ALL SINGING ALL DANCING\nPICTURE\nTHE BROADWAY MELODY",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all singing, all dancing (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English reduplications",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 July 29, Christian Wolmar, “Why this crisis calls for a railway crusade like no other”, in Rail, page 44",
          "text": "This is why we need a major relaunch of the railways. Not some half-hearted campaign such as \"Britain runs on rail\", but an all out, all-singing, all-dancing campaign to get people to use the railways again: to rediscover the benefits of train travel and learn to trust them once again.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having many features, options or extras; sometimes used ironically to imply that the added features are just gimmicks."
      ],
      "id": "en-all_singing,_all_dancing-en-adj-Ci6eThdl",
      "links": [
        [
          "feature",
          "feature"
        ],
        [
          "option",
          "option"
        ],
        [
          "extra",
          "extra"
        ],
        [
          "ironically",
          "ironically"
        ],
        [
          "imply",
          "imply"
        ],
        [
          "gimmick",
          "gimmick"
        ]
      ],
      "related": [
        {
          "word": "bells and whistles"
        }
      ],
      "synonyms": [
        {
          "word": "all-singing, all-dancing"
        },
        {
          "word": "all-singing-and-dancing"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "wikipedia": [
        "All singing, all dancing (idiom)",
        "The Broadway Melody"
      ]
    }
  ],
  "word": "all singing, all dancing"
}

{
  "etymology_text": "From the advertising posters used to promote the 1929 film The Broadway Melody – Hollywood’s first all-talking musical (as opposed to partially talking, partially silent) – which proclaimed the film to be “All Talking All Singing All Dancing” – see film poster. In full, the poster reads:\nMETRO-GOLDWYN-MAYER’S\nALL TALKING ALL SINGING ALL DANCING\nPICTURE\nTHE BROADWAY MELODY",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all singing, all dancing (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "bells and whistles"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English reduplications",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2020 July 29, Christian Wolmar, “Why this crisis calls for a railway crusade like no other”, in Rail, page 44",
          "text": "This is why we need a major relaunch of the railways. Not some half-hearted campaign such as \"Britain runs on rail\", but an all out, all-singing, all-dancing campaign to get people to use the railways again: to rediscover the benefits of train travel and learn to trust them once again.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having many features, options or extras; sometimes used ironically to imply that the added features are just gimmicks."
      ],
      "links": [
        [
          "feature",
          "feature"
        ],
        [
          "option",
          "option"
        ],
        [
          "extra",
          "extra"
        ],
        [
          "ironically",
          "ironically"
        ],
        [
          "imply",
          "imply"
        ],
        [
          "gimmick",
          "gimmick"
        ]
      ],
      "tags": [
        "not-comparable"
      ],
      "wikipedia": [
        "All singing, all dancing (idiom)",
        "The Broadway Melody"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "all-singing, all-dancing"
    },
    {
      "word": "all-singing-and-dancing"
    }
  ],
  "word": "all singing, all dancing"
}