"smooth as a baby's bottom" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "smooth as a baby's bottom (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 topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English similes",
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Touch",
          "orig": "en:Touch",
          "parents": [
            "Senses",
            "Perception",
            "Body",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2000, Moosewood Collective, New Recipes from Moosewood Restaurant, Ten Speed Press, page 284",
          "text": "The texture has been described as being as soft and smooth as a baby's bottom",
          "type": "quotation"
        },
        {
          "ref": "1993, Peter Robinson, A Necessary End, HarperCollins, page 316",
          "text": "His cheeks were as smooth as a baby's bottom, and he smelled good.",
          "type": "quotation"
        },
        {
          "ref": "2004, Stephanie H. Meyer with John Meyer, Teen Ink: Written in the Dirt--, HCI Teens, page 89",
          "text": "He'd sanded it for hours, \"Until it was smooth as a baby's bottom,\" he'd said, and laughed his deep, throaty laugh.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extremely smooth."
      ],
      "id": "en-smooth_as_a_baby's_bottom-en-adj-QeGrJnU6",
      "links": [
        [
          "Extremely",
          "extremely"
        ],
        [
          "smooth",
          "smooth"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Extremely smooth."
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "very smooth",
          "word": "hladký jako dětská prdelka"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "very smooth",
          "word": "doux comme une peau de bébé"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "very smooth",
          "word": "weich wie ein Babypopo"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "very smooth",
          "word": "suave como el culito de un bebé"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "very smooth",
          "word": "len som en barnrumpa"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smooth as a baby's bottom.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/72/En-au-smooth_as_a_baby%27s_bottom.ogg/En-au-smooth_as_a_baby%27s_bottom.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/72/En-au-smooth_as_a_baby%27s_bottom.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "smooth as a baby's bottom"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "smooth as a baby's bottom (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English similes",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English uncomparable adjectives",
        "en:Touch"
      ],
      "examples": [
        {
          "ref": "2000, Moosewood Collective, New Recipes from Moosewood Restaurant, Ten Speed Press, page 284",
          "text": "The texture has been described as being as soft and smooth as a baby's bottom",
          "type": "quotation"
        },
        {
          "ref": "1993, Peter Robinson, A Necessary End, HarperCollins, page 316",
          "text": "His cheeks were as smooth as a baby's bottom, and he smelled good.",
          "type": "quotation"
        },
        {
          "ref": "2004, Stephanie H. Meyer with John Meyer, Teen Ink: Written in the Dirt--, HCI Teens, page 89",
          "text": "He'd sanded it for hours, \"Until it was smooth as a baby's bottom,\" he'd said, and laughed his deep, throaty laugh.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extremely smooth."
      ],
      "links": [
        [
          "Extremely",
          "extremely"
        ],
        [
          "smooth",
          "smooth"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Extremely smooth."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-smooth as a baby's bottom.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/72/En-au-smooth_as_a_baby%27s_bottom.ogg/En-au-smooth_as_a_baby%27s_bottom.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/72/En-au-smooth_as_a_baby%27s_bottom.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "very smooth",
      "word": "hladký jako dětská prdelka"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "very smooth",
      "word": "doux comme une peau de bébé"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "very smooth",
      "word": "weich wie ein Babypopo"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "very smooth",
      "word": "suave como el culito de un bebé"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "very smooth",
      "word": "len som en barnrumpa"
    }
  ],
  "word": "smooth as a baby's bottom"
}