"not enough to hang a dog on" meaning in English

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      "expansion": "not enough to hang a dog on",
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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      "examples": [
        {
          "ref": "1899, G.W. Steevens, The Tragedy of Dreyfus, page 89",
          "text": "If the evidence had been given at once, I should have said that it looked bad, perhaps, but was not enough to hang a dog on. But after five years of bitter faction?",
          "type": "quotation"
        },
        {
          "ref": "1933, James Hilton, Lost Horizon, published 1973, page 62",
          "text": "\"So there we were, and probably you'll agree with me that all the evidence, so far, was less than you'd hang a dog on.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of evidence, not strong or compelling; with very little or insubstantial evidence."
      ],
      "id": "en-not_enough_to_hang_a_dog_on-en-phrase-QtxM7wx8",
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          "evidence",
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          "compelling",
          "compelling"
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        [
          "insubstantial",
          "insubstantial"
        ]
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "not enough to hang a dog on"
}

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      "expansion": "not enough to hang a dog on",
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  "lang_code": "en",
  "pos": "phrase",
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      "examples": [
        {
          "ref": "1899, G.W. Steevens, The Tragedy of Dreyfus, page 89",
          "text": "If the evidence had been given at once, I should have said that it looked bad, perhaps, but was not enough to hang a dog on. But after five years of bitter faction?",
          "type": "quotation"
        },
        {
          "ref": "1933, James Hilton, Lost Horizon, published 1973, page 62",
          "text": "\"So there we were, and probably you'll agree with me that all the evidence, so far, was less than you'd hang a dog on.\"",
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        }
      ],
      "glosses": [
        "Of evidence, not strong or compelling; with very little or insubstantial evidence."
      ],
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          "compelling",
          "compelling"
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  ],
  "word": "not enough to hang a dog on"
}