"the whole world and his dog" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "the whole world and his dog pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "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 pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "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": [
        {
          "text": "I'd love to go to the Harry Potter opening, but the whole world and his dog will be there and I don't like crowds"
        }
      ],
      "glosses": [
        "Everybody; too many people; a huge crowd."
      ],
      "id": "en-the_whole_world_and_his_dog-en-noun-s6Hf4Ur9",
      "links": [
        [
          "Everybody",
          "everybody"
        ],
        [
          "people",
          "people"
        ],
        [
          "crowd",
          "crowd"
        ]
      ],
      "raw_glosses": [
        "(Britain, idiomatic) Everybody; too many people; a huge crowd."
      ],
      "related": [
        {
          "word": "the whole world"
        },
        {
          "english": "whole ___; everything / the whole thing",
          "word": "for a list of terms that mean"
        },
        {
          "word": "the whole nine yards"
        },
        {
          "english": "almost nobody",
          "word": "one man and his dog"
        }
      ],
      "synonyms": [
        {
          "word": "everyone and their dog"
        },
        {
          "word": "everybody"
        }
      ],
      "tags": [
        "Britain",
        "idiomatic",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-the whole world and his dog.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/19/En-au-the_whole_world_and_his_dog.ogg/En-au-the_whole_world_and_his_dog.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/19/En-au-the_whole_world_and_his_dog.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "the whole world and his dog"
}

{
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "the whole world and his dog pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "the whole world"
    },
    {
      "english": "whole ___; everything / the whole thing",
      "word": "for a list of terms that mean"
    },
    {
      "word": "the whole nine yards"
    },
    {
      "english": "almost nobody",
      "word": "one man and his dog"
    }
  ],
  "senses": [
    {
      "categories": [
        "British English",
        "English coordinated pairs",
        "English entries with language name categories using raw markup",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "examples": [
        {
          "text": "I'd love to go to the Harry Potter opening, but the whole world and his dog will be there and I don't like crowds"
        }
      ],
      "glosses": [
        "Everybody; too many people; a huge crowd."
      ],
      "links": [
        [
          "Everybody",
          "everybody"
        ],
        [
          "people",
          "people"
        ],
        [
          "crowd",
          "crowd"
        ]
      ],
      "raw_glosses": [
        "(Britain, idiomatic) Everybody; too many people; a huge crowd."
      ],
      "tags": [
        "Britain",
        "idiomatic",
        "plural",
        "plural-only"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-the whole world and his dog.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/19/En-au-the_whole_world_and_his_dog.ogg/En-au-the_whole_world_and_his_dog.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/19/En-au-the_whole_world_and_his_dog.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "everyone and their dog"
    },
    {
      "word": "everybody"
    }
  ],
  "word": "the whole world and his dog"
}