"rusty guts" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "rūsticus",
        "3": "",
        "4": "boorish; a boor"
      },
      "expansion": "rūsticus (“boorish; a boor”)",
      "name": "m"
    }
  ],
  "etymology_text": "Hotten suggests a corruption of Latin rūsticus (“boorish; a boor”).",
  "forms": [
    {
      "form": "rusty guts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rusty guts"
      },
      "expansion": "rusty guts (plural rusty guts)",
      "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"
        }
      ],
      "glosses": [
        "A blunt, rough old fellow."
      ],
      "id": "en-rusty_guts-en-noun-mKPxlN6c",
      "links": [
        [
          "blunt",
          "blunt"
        ],
        [
          "rough",
          "rough"
        ],
        [
          "old",
          "old"
        ],
        [
          "fellow",
          "fellow"
        ]
      ],
      "raw_glosses": [
        "(informal, often as a nickname) A blunt, rough old fellow."
      ],
      "raw_tags": [
        "as a nickname"
      ],
      "synonyms": [
        {
          "word": "rustyguts"
        }
      ],
      "tags": [
        "informal",
        "often"
      ]
    }
  ],
  "word": "rusty guts"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "rūsticus",
        "3": "",
        "4": "boorish; a boor"
      },
      "expansion": "rūsticus (“boorish; a boor”)",
      "name": "m"
    }
  ],
  "etymology_text": "Hotten suggests a corruption of Latin rūsticus (“boorish; a boor”).",
  "forms": [
    {
      "form": "rusty guts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rusty guts"
      },
      "expansion": "rusty guts (plural rusty guts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A blunt, rough old fellow."
      ],
      "links": [
        [
          "blunt",
          "blunt"
        ],
        [
          "rough",
          "rough"
        ],
        [
          "old",
          "old"
        ],
        [
          "fellow",
          "fellow"
        ]
      ],
      "raw_glosses": [
        "(informal, often as a nickname) A blunt, rough old fellow."
      ],
      "raw_tags": [
        "as a nickname"
      ],
      "tags": [
        "informal",
        "often"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rustyguts"
    }
  ],
  "word": "rusty guts"
}