"buff the muffin" meaning in English

{
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        "1": "en",
        "2": "buff",
        "3": "the",
        "4": "muffin",
        "t1": "to rub",
        "t3": "vagina"
      },
      "expansion": "buff (“to rub”) + the + muffin (“vagina”)",
      "name": "af"
    }
  ],
  "etymology_text": "buff (“to rub”) + the + muffin (“vagina”), chosen for the rhyme in the participle (\"buffin' the muffin\").",
  "forms": [
    {
      "form": "buffs the muffin",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "buffing the muffin",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "buffed the muffin",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "buffed the muffin",
      "tags": [
        "past"
      ]
    }
  ],
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      "args": {
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      },
      "expansion": "buff the muffin (third-person singular simple present buffs the muffin, present participle buffing the muffin, simple past and past participle buffed the muffin)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Masturbation",
          "orig": "en:Masturbation",
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            "Sex",
            "All topics",
            "Reproduction",
            "Fundamental",
            "Life",
            "Nature"
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      "examples": [
        {
          "text": "1999, Ericka, in alt.jokes.limericks http://groups.google.com/group/alt.jokes.limericks/msg/6a31a3b704183489?dmode=source\nDear Peter, I need your stuffin'\nYour bod, your rod, and handcuffin'\nWhile I wait for your ans-\nwer, I'll take off my pants,\nAnd start in on buffin' the muffin!"
        },
        {
          "text": "2003, Paul Austin, in alt.peeves http://groups.google.com/group/alt.peeves/msg/37b92cd0a72eaed4?dmode=source\n\"Dear Miss Manners, myself and my three girlfriends are playing buff the muffin this weekend and we'd like to know who's supposed to peel and slice the cucumbers for salad afterwards?\""
        },
        {
          "text": "2004, Christopher Moore, The Stupidest Angel http://books.google.com/books?ie=UTF-8&hl=en&vid=ISBN0060590254&id=QNM4japF5g4C&pg=PA151&lpg=PA151&sig=kUORuHRpFvwKNOWpC8pTnEBlLqo\n“Molly?” Lena said. “You sound out of breath. Are you okay?”\n…\n“Oh, yeah, I’m fine, Lena. Just buffing the muffin. …”"
        }
      ],
      "glosses": [
        "To masturbate."
      ],
      "id": "en-buff_the_muffin-en-verb-~E9p9hIT",
      "links": [
        [
          "masturbate",
          "masturbate"
        ]
      ],
      "raw_glosses": [
        "(slang, idiomatic) To masturbate."
      ],
      "tags": [
        "idiomatic",
        "slang"
      ]
    }
  ],
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      "audio": "En-au-buff the muffin.ogg",
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  ],
  "word": "buff the muffin"
}

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    {
      "args": {
        "1": "en",
        "2": "buff",
        "3": "the",
        "4": "muffin",
        "t1": "to rub",
        "t3": "vagina"
      },
      "expansion": "buff (“to rub”) + the + muffin (“vagina”)",
      "name": "af"
    }
  ],
  "etymology_text": "buff (“to rub”) + the + muffin (“vagina”), chosen for the rhyme in the participle (\"buffin' the muffin\").",
  "forms": [
    {
      "form": "buffs the muffin",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "buffing the muffin",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "buffed the muffin",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "buffed the muffin",
      "tags": [
        "past"
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    }
  ],
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      "args": {
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      },
      "expansion": "buff the muffin (third-person singular simple present buffs the muffin, present participle buffing the muffin, simple past and past participle buffed the muffin)",
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  "lang_code": "en",
  "pos": "verb",
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          "text": "1999, Ericka, in alt.jokes.limericks http://groups.google.com/group/alt.jokes.limericks/msg/6a31a3b704183489?dmode=source\nDear Peter, I need your stuffin'\nYour bod, your rod, and handcuffin'\nWhile I wait for your ans-\nwer, I'll take off my pants,\nAnd start in on buffin' the muffin!"
        },
        {
          "text": "2003, Paul Austin, in alt.peeves http://groups.google.com/group/alt.peeves/msg/37b92cd0a72eaed4?dmode=source\n\"Dear Miss Manners, myself and my three girlfriends are playing buff the muffin this weekend and we'd like to know who's supposed to peel and slice the cucumbers for salad afterwards?\""
        },
        {
          "text": "2004, Christopher Moore, The Stupidest Angel http://books.google.com/books?ie=UTF-8&hl=en&vid=ISBN0060590254&id=QNM4japF5g4C&pg=PA151&lpg=PA151&sig=kUORuHRpFvwKNOWpC8pTnEBlLqo\n“Molly?” Lena said. “You sound out of breath. Are you okay?”\n…\n“Oh, yeah, I’m fine, Lena. Just buffing the muffin. …”"
        }
      ],
      "glosses": [
        "To masturbate."
      ],
      "links": [
        [
          "masturbate",
          "masturbate"
        ]
      ],
      "raw_glosses": [
        "(slang, idiomatic) To masturbate."
      ],
      "tags": [
        "idiomatic",
        "slang"
      ]
    }
  ],
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      "audio": "En-au-buff the muffin.ogg",
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  "word": "buff the muffin"
}