"flat as a pancake" meaning in English

{
  "forms": [
    {
      "form": "more flat as a pancake",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most flat as a pancake",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flat as a pancake (comparative more flat as a pancake, superlative most flat as a pancake)",
      "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 similes",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "If something that heavy landed on him, he'd be squished flat as a pancake.",
          "type": "example"
        }
      ],
      "glosses": [
        "Particularly or extremely flat."
      ],
      "id": "en-flat_as_a_pancake-en-adj-FIXYHJmn",
      "links": [
        [
          "flat",
          "flat"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Particularly or extremely flat."
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "extremely flat",
          "word": "flad som en pandekage"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "extremely flat",
          "word": "litteä kuin pannukakku"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "extremely flat",
          "word": "plat comme une crêpe"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "extremely flat",
          "word": "flach wie ein Pfannkuchen"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "extremely flat",
          "word": "flat som en pannekake"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "extremely flat",
          "word": "flat som ei pannekake"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "plóskij kak blin",
          "sense": "extremely flat",
          "word": "пло́ский как блин"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "extremely flat",
          "word": "platt som en pannkaka"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-flat as a pancake.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/En-au-flat_as_a_pancake.ogg/En-au-flat_as_a_pancake.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/fc/En-au-flat_as_a_pancake.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "flat as a pancake"
}

{
  "forms": [
    {
      "form": "more flat as a pancake",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most flat as a pancake",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flat as a pancake (comparative more flat as a pancake, superlative most flat as a pancake)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English similes",
        "English terms with audio links",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "If something that heavy landed on him, he'd be squished flat as a pancake.",
          "type": "example"
        }
      ],
      "glosses": [
        "Particularly or extremely flat."
      ],
      "links": [
        [
          "flat",
          "flat"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Particularly or extremely flat."
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-flat as a pancake.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/En-au-flat_as_a_pancake.ogg/En-au-flat_as_a_pancake.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/fc/En-au-flat_as_a_pancake.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "extremely flat",
      "word": "flad som en pandekage"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "extremely flat",
      "word": "litteä kuin pannukakku"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "extremely flat",
      "word": "plat comme une crêpe"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "extremely flat",
      "word": "flach wie ein Pfannkuchen"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "extremely flat",
      "word": "flat som en pannekake"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "extremely flat",
      "word": "flat som ei pannekake"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "plóskij kak blin",
      "sense": "extremely flat",
      "word": "пло́ский как блин"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "extremely flat",
      "word": "platt som en pannkaka"
    }
  ],
  "word": "flat as a pancake"
}