"could eat the arse out of a low flying duck" meaning in English

{
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      "expansion": "could eat the arse out of a low flying duck",
      "name": "head"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "could eat the crotch out of a low flying duck"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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      "examples": [
        {
          "ref": "2002 February 28, LarbGai, “SCT Stats, simplified”, in soc.culture.thai (Usenet)",
          "text": "Right now though I'm so hungry I could eat the arse out of a low flying duck, so off to put the nose bag on.",
          "type": "quotation"
        },
        {
          "ref": "2009 August 4, FarmI, “Pollan Good Read On Cooking”, in rec.gardens.edible (Usenet)",
          "text": "After this exchange, I'm so hungry I could eat the arse out of a low-flying duck.",
          "type": "quotation"
        },
        {
          "ref": "2010, Dave Ulliott, Devilfish: The Life & Times of a Poker Legend",
          "text": "By now I was so hungry I could've eaten the arse off a low-flying duck.",
          "type": "quotation"
        },
        {
          "ref": "2017, Katherine Boland, Hippy Days, Arabian Nights",
          "text": "By now, we were ravenously hungry. 'So hungry I could eat the arse out of a low flying duck,' John joked as he threw a gnarled wattle stump on the fire.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of could eat the crotch out of a low flying duck"
      ],
      "id": "en-could_eat_the_arse_out_of_a_low_flying_duck-en-phrase-JqAJ2oDI",
      "links": [
        [
          "could eat the crotch out of a low flying duck",
          "could eat the crotch out of a low flying duck#English"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang) Alternative form of could eat the crotch out of a low flying duck"
      ],
      "tags": [
        "Australia",
        "alt-of",
        "alternative",
        "slang"
      ]
    }
  ],
  "word": "could eat the arse out of a low flying duck"
}

{
  "head_templates": [
    {
      "args": {
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      "expansion": "could eat the arse out of a low flying duck",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "could eat the crotch out of a low flying duck"
        }
      ],
      "categories": [
        "Australian English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English slang",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2002 February 28, LarbGai, “SCT Stats, simplified”, in soc.culture.thai (Usenet)",
          "text": "Right now though I'm so hungry I could eat the arse out of a low flying duck, so off to put the nose bag on.",
          "type": "quotation"
        },
        {
          "ref": "2009 August 4, FarmI, “Pollan Good Read On Cooking”, in rec.gardens.edible (Usenet)",
          "text": "After this exchange, I'm so hungry I could eat the arse out of a low-flying duck.",
          "type": "quotation"
        },
        {
          "ref": "2010, Dave Ulliott, Devilfish: The Life & Times of a Poker Legend",
          "text": "By now I was so hungry I could've eaten the arse off a low-flying duck.",
          "type": "quotation"
        },
        {
          "ref": "2017, Katherine Boland, Hippy Days, Arabian Nights",
          "text": "By now, we were ravenously hungry. 'So hungry I could eat the arse out of a low flying duck,' John joked as he threw a gnarled wattle stump on the fire.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of could eat the crotch out of a low flying duck"
      ],
      "links": [
        [
          "could eat the crotch out of a low flying duck",
          "could eat the crotch out of a low flying duck#English"
        ]
      ],
      "raw_glosses": [
        "(Australia, slang) Alternative form of could eat the crotch out of a low flying duck"
      ],
      "tags": [
        "Australia",
        "alt-of",
        "alternative",
        "slang"
      ]
    }
  ],
  "word": "could eat the arse out of a low flying duck"
}