"A4" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "a cuatro patas",
        "3": "a cuatro (4) patas",
        "4": "on four claws"
      },
      "expansion": "a cuatro (4) patas (“on four claws”)",
      "name": "m"
    }
  ],
  "etymology_text": "From a cuatro (4) patas (“on four claws”).",
  "head_templates": [
    {
      "args": {},
      "expansion": "A4",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Doggy or A4: The sex position without feelings par excellence. She's being fucked from behind. Yes sir, what a position. To me it's the most comfortable for the man, because it allows total freedom of movement. It has a variety of variations, depending on how you're fucking her. Doggy is the best, without a doubt.",
          "ref": "2013 August 15, “Los 3 reyes del sexo”, in Foro Amor",
          "text": "Perrito o A4: La postura de fornicación sin sentimientos por excelencia. Ella mirando a Cuenca. Sí, señor, pedazo de postura. Para mí es la más cómoda para el hombre, porque permite la total libertad de movimiento. Tiene varias variantes, depende cómo la cojas. La perrito es la mejor, sin duda.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "doggy style"
      ],
      "id": "en-A4-es-adv-bu5N3H3S",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "sexual intercourse",
          "sexual intercourse"
        ],
        [
          "doggy style",
          "doggy style"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, of sexual intercourse) doggy style"
      ],
      "raw_tags": [
        "of sexual intercourse"
      ],
      "synonyms": [
        {
          "word": "a cuatro patas"
        },
        {
          "word": "postura de perrito"
        }
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "A4"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "a cuatro patas",
        "3": "a cuatro (4) patas",
        "4": "on four claws"
      },
      "expansion": "a cuatro (4) patas (“on four claws”)",
      "name": "m"
    }
  ],
  "etymology_text": "From a cuatro (4) patas (“on four claws”).",
  "head_templates": [
    {
      "args": {},
      "expansion": "A4",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish internet slang",
        "Spanish lemmas",
        "Spanish terms spelled with numbers",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "Doggy or A4: The sex position without feelings par excellence. She's being fucked from behind. Yes sir, what a position. To me it's the most comfortable for the man, because it allows total freedom of movement. It has a variety of variations, depending on how you're fucking her. Doggy is the best, without a doubt.",
          "ref": "2013 August 15, “Los 3 reyes del sexo”, in Foro Amor",
          "text": "Perrito o A4: La postura de fornicación sin sentimientos por excelencia. Ella mirando a Cuenca. Sí, señor, pedazo de postura. Para mí es la más cómoda para el hombre, porque permite la total libertad de movimiento. Tiene varias variantes, depende cómo la cojas. La perrito es la mejor, sin duda.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "doggy style"
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "sexual intercourse",
          "sexual intercourse"
        ],
        [
          "doggy style",
          "doggy style"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, of sexual intercourse) doggy style"
      ],
      "raw_tags": [
        "of sexual intercourse"
      ],
      "synonyms": [
        {
          "word": "a cuatro patas"
        },
        {
          "word": "postura de perrito"
        }
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "word": "A4"
}