"butt-naked" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "buck naked"
      },
      "expansion": "buck naked",
      "name": "m"
    }
  ],
  "etymology_text": "Probably related to (and perhaps simply a variant of) buck naked. It is not clear which of the two forms came first, but the earliest written evidence suggests buck naked is present some four decades earlier.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "butt-naked (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Canadian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1998, John Peel, The Outer Limits: The Vanished, New York: Tor Kids, page 8",
          "text": "They could hardly have all marched off butt-naked.",
          "type": "quotation"
        },
        {
          "ref": "2008, Chris Kovach, chapter 11, in Alcoholics Synonymous",
          "text": "He cannot picture life without alcohol, drugs or butt-naked rooftop escapades.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Stark naked, completely nude."
      ],
      "id": "en-butt-naked-en-adj-6qjh3hj1",
      "links": [
        [
          "Canada",
          "Canada"
        ],
        [
          "US",
          "American English"
        ],
        [
          "Stark naked",
          "stark naked"
        ],
        [
          "nude",
          "nude"
        ]
      ],
      "raw_glosses": [
        "(Canada, US, informal) Stark naked, completely nude."
      ],
      "synonyms": [
        {
          "word": "nude"
        },
        {
          "word": "butt naked"
        }
      ],
      "tags": [
        "Canada",
        "US",
        "informal",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-butt-naked.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8b/En-au-butt-naked.ogg/En-au-butt-naked.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8b/En-au-butt-naked.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "butt-naked"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "buck naked"
      },
      "expansion": "buck naked",
      "name": "m"
    }
  ],
  "etymology_text": "Probably related to (and perhaps simply a variant of) buck naked. It is not clear which of the two forms came first, but the earliest written evidence suggests buck naked is present some four decades earlier.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "butt-naked (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "American English",
        "Canadian English",
        "English adjectives",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1998, John Peel, The Outer Limits: The Vanished, New York: Tor Kids, page 8",
          "text": "They could hardly have all marched off butt-naked.",
          "type": "quotation"
        },
        {
          "ref": "2008, Chris Kovach, chapter 11, in Alcoholics Synonymous",
          "text": "He cannot picture life without alcohol, drugs or butt-naked rooftop escapades.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Stark naked, completely nude."
      ],
      "links": [
        [
          "Canada",
          "Canada"
        ],
        [
          "US",
          "American English"
        ],
        [
          "Stark naked",
          "stark naked"
        ],
        [
          "nude",
          "nude"
        ]
      ],
      "raw_glosses": [
        "(Canada, US, informal) Stark naked, completely nude."
      ],
      "tags": [
        "Canada",
        "US",
        "informal",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-butt-naked.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8b/En-au-butt-naked.ogg/En-au-butt-naked.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8b/En-au-butt-naked.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "nude"
    },
    {
      "word": "butt naked"
    }
  ],
  "word": "butt-naked"
}