"gnat's ass" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1951, Herbert Halpert, “A Pattern of Proverbial Exaggeration from West Kentucky”, in Midwest Folklore",
          "text": "He is so short he could stand flat-footed and kiss a gnat's ass without bending his knees.",
          "type": "quotation"
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      ],
      "glosses": [
        "Synonym of gnat's (“very tiny thing or distance”)"
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      "raw_glosses": [
        "(slang, vulgar, Canada, US) Synonym of gnat's (“very tiny thing or distance”)"
      ],
      "synonyms": [
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          "word": "gnat's"
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  "word": "gnat's ass"
}

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      "expansion": "gnat's ass",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "Canadian English",
        "English countable nouns",
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      "examples": [
        {
          "ref": "1951, Herbert Halpert, “A Pattern of Proverbial Exaggeration from West Kentucky”, in Midwest Folklore",
          "text": "He is so short he could stand flat-footed and kiss a gnat's ass without bending his knees.",
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        }
      ],
      "glosses": [
        "Synonym of gnat's (“very tiny thing or distance”)"
      ],
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      "raw_glosses": [
        "(slang, vulgar, Canada, US) Synonym of gnat's (“very tiny thing or distance”)"
      ],
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  "word": "gnat's ass"
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