"Ratner moment" meaning in English

{
  "etymology_text": "After British businessman Gerald Ratner, whose jewellery business nearly collapsed in 1991 after he jokingly denigrated the company's products.",
  "forms": [
    {
      "form": "Ratner moments",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Ratner moment (plural Ratner moments)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A situation where one harms one's reputation or standing by making ill-advised remarks."
      ],
      "id": "en-Ratner_moment-en-noun-pLqFPoyA",
      "links": [
        [
          "harm",
          "harm"
        ],
        [
          "reputation",
          "reputation"
        ],
        [
          "standing",
          "standing"
        ]
      ],
      "raw_glosses": [
        "(colloquial) A situation where one harms one's reputation or standing by making ill-advised remarks."
      ],
      "related": [
        {
          "word": "Ratner effect"
        }
      ],
      "tags": [
        "colloquial"
      ],
      "wikipedia": [
        "Gerald Ratner"
      ]
    }
  ],
  "word": "Ratner moment"
}

{
  "etymology_text": "After British businessman Gerald Ratner, whose jewellery business nearly collapsed in 1991 after he jokingly denigrated the company's products.",
  "forms": [
    {
      "form": "Ratner moments",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Ratner moment (plural Ratner moments)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Ratner effect"
    }
  ],
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A situation where one harms one's reputation or standing by making ill-advised remarks."
      ],
      "links": [
        [
          "harm",
          "harm"
        ],
        [
          "reputation",
          "reputation"
        ],
        [
          "standing",
          "standing"
        ]
      ],
      "raw_glosses": [
        "(colloquial) A situation where one harms one's reputation or standing by making ill-advised remarks."
      ],
      "tags": [
        "colloquial"
      ],
      "wikipedia": [
        "Gerald Ratner"
      ]
    }
  ],
  "word": "Ratner moment"
}