"donut bumper" meaning in English

{
  "forms": [
    {
      "form": "donut bumpers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "donut bumper (plural donut bumpers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1998, rage2love, Re: Is Sheryl Crow gay? Group: alt.fan.madonna\nmadonna god I hope not....do we really need another guitar-strumming donut bumper?"
        },
        {
          "text": "2007, Rev BR Collins, Re: Mad Hatter Day SUCKS!!!!!!!!!!!!!!!! Group: alt.religion.christian.baptist\nThis coming from a self appointed sexual deviant(lesbian) woman that preaches doctrines of devils. At least you could say you are a eunich like \"Merle\" does, you donut bumper"
        },
        {
          "text": "2007, cub brave, Re: Sexual deviant Kelly Sowbeck is in for a big suprise[sic]......HEYALL!!!!!!!!!!!!!!!!!! Group: alt.religion.christian.baptist\nBut at the end of the day, you STILL don't have what a man has, Bull Dike. Hence \"donut bumper\". I know this seems SO crude to a sexual deviant like yourself"
        },
        {
          "text": "2002, Dr Funkenstein, Re: Sheryl Crow & Dale Jr. Group: rec.autos.sport.nascar\nShe just got Plastic Surgery and aint no donut bumper"
        }
      ],
      "glosses": [
        "A lesbian."
      ],
      "id": "en-donut_bumper-en-noun-GLjU~WJ5",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "lesbian",
          "lesbian"
        ]
      ],
      "raw_glosses": [
        "(slang, derogatory) A lesbian."
      ],
      "tags": [
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-donut bumper.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/En-au-donut_bumper.ogg/En-au-donut_bumper.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/fc/En-au-donut_bumper.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "donut bumper"
}

{
  "forms": [
    {
      "form": "donut bumpers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "donut bumper (plural donut bumpers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with audio links"
      ],
      "examples": [
        {
          "text": "1998, rage2love, Re: Is Sheryl Crow gay? Group: alt.fan.madonna\nmadonna god I hope not....do we really need another guitar-strumming donut bumper?"
        },
        {
          "text": "2007, Rev BR Collins, Re: Mad Hatter Day SUCKS!!!!!!!!!!!!!!!! Group: alt.religion.christian.baptist\nThis coming from a self appointed sexual deviant(lesbian) woman that preaches doctrines of devils. At least you could say you are a eunich like \"Merle\" does, you donut bumper"
        },
        {
          "text": "2007, cub brave, Re: Sexual deviant Kelly Sowbeck is in for a big suprise[sic]......HEYALL!!!!!!!!!!!!!!!!!! Group: alt.religion.christian.baptist\nBut at the end of the day, you STILL don't have what a man has, Bull Dike. Hence \"donut bumper\". I know this seems SO crude to a sexual deviant like yourself"
        },
        {
          "text": "2002, Dr Funkenstein, Re: Sheryl Crow & Dale Jr. Group: rec.autos.sport.nascar\nShe just got Plastic Surgery and aint no donut bumper"
        }
      ],
      "glosses": [
        "A lesbian."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "lesbian",
          "lesbian"
        ]
      ],
      "raw_glosses": [
        "(slang, derogatory) A lesbian."
      ],
      "tags": [
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-donut bumper.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/En-au-donut_bumper.ogg/En-au-donut_bumper.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/fc/En-au-donut_bumper.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "donut bumper"
}