"69er" meaning in English

{
  "forms": [
    {
      "form": "69ers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "69er (plural 69ers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sixty-niner"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, David Unger, Life in the Damn Tropics, page 233:",
          "text": "I wondered, too, about Aaron and Lonia's sex life: did they pull off 69ers, had Aaron ever taken her from behind?",
          "type": "quote"
        },
        {
          "ref": "2010, Izabella St. James, Bunny Tales: Behind Closed Doors at the Playboy Mansion, page 226:",
          "text": "Most of the time they would do a 69er; I think it was for show, but it was the only thing that would get him hard again. Finally Hef and Holly would have sex, in any position.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of sixty-niner"
      ],
      "id": "en-69er-en-noun-mOtGhl0I",
      "links": [
        [
          "sixty-niner",
          "sixty-niner#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "69er"
}

{
  "forms": [
    {
      "form": "69ers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "69er (plural 69ers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sixty-niner"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms spelled with numbers",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2004, David Unger, Life in the Damn Tropics, page 233:",
          "text": "I wondered, too, about Aaron and Lonia's sex life: did they pull off 69ers, had Aaron ever taken her from behind?",
          "type": "quote"
        },
        {
          "ref": "2010, Izabella St. James, Bunny Tales: Behind Closed Doors at the Playboy Mansion, page 226:",
          "text": "Most of the time they would do a 69er; I think it was for show, but it was the only thing that would get him hard again. Finally Hef and Holly would have sex, in any position.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of sixty-niner"
      ],
      "links": [
        [
          "sixty-niner",
          "sixty-niner#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "69er"
}