"do-little" meaning in English

{
  "forms": [
    {
      "form": "do-littles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "do-little (plural do-littles)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1655, John Richardson, Choice Observations and Explanations of the Old Testament […]",
          "text": "Great talkers are commonly do-littles.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who performs little though professing much."
      ],
      "id": "en-do-little-en-noun-XBrS5n-U",
      "links": [
        [
          "profess",
          "profess"
        ]
      ],
      "raw_glosses": [
        "(colloquial) One who performs little though professing much."
      ],
      "related": [
        {
          "word": "do-nothing"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "do-little"
}

{
  "forms": [
    {
      "form": "do-littles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "do-little (plural do-littles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "do-nothing"
    }
  ],
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1655, John Richardson, Choice Observations and Explanations of the Old Testament […]",
          "text": "Great talkers are commonly do-littles.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who performs little though professing much."
      ],
      "links": [
        [
          "profess",
          "profess"
        ]
      ],
      "raw_glosses": [
        "(colloquial) One who performs little though professing much."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "do-little"
}