"Tooley Street tailor" meaning in English

{
  "etymology_text": "The \"three tailors of Tooley Street\" are said to have immortalized themselves by preparing a petition for Parliament bearing only their own signatures, which began, \"We, the people of England...\"",
  "forms": [
    {
      "form": "Tooley Street tailors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Tooley Street tailor"
      },
      "expansion": "Tooley Street tailor (plural Tooley Street tailors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A self-important, vainglorious person."
      ],
      "id": "en-Tooley_Street_tailor-en-noun-pYB~LbK-",
      "links": [
        [
          "self-important",
          "self-important"
        ],
        [
          "vainglorious",
          "vainglorious"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, archaic) A self-important, vainglorious person."
      ],
      "tags": [
        "UK",
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "Tooley Street tailor"
}

{
  "etymology_text": "The \"three tailors of Tooley Street\" are said to have immortalized themselves by preparing a petition for Parliament bearing only their own signatures, which began, \"We, the people of England...\"",
  "forms": [
    {
      "form": "Tooley Street tailors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Tooley Street tailor"
      },
      "expansion": "Tooley Street tailor (plural Tooley Street tailors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with archaic senses"
      ],
      "glosses": [
        "A self-important, vainglorious person."
      ],
      "links": [
        [
          "self-important",
          "self-important"
        ],
        [
          "vainglorious",
          "vainglorious"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, archaic) A self-important, vainglorious person."
      ],
      "tags": [
        "UK",
        "archaic",
        "slang"
      ]
    }
  ],
  "word": "Tooley Street tailor"
}