"succès fou" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "succès fou",
        "lit": "mad success"
      },
      "expansion": "French succès fou (literally “mad success”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from French succès fou (literally “mad success”).",
  "forms": [
    {
      "form": "succès fous",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "nolinkhead": "1"
      },
      "expansion": "succès fou (plural succès fous)",
      "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": "2001, Davis Dyer, Daniel Gross, The Generations of Corning: The Life and Times of a Global Corporation",
          "text": "This coyness produced the desired effect: the exhibit at the Fine Arts Society Gallery on Bond Street proved \"a howling success” and “a mob scene.” “It was a succès fou, recalled Arthur Houghton much later. A succès fou is right,” added Gates.",
          "type": "quotation"
        },
        {
          "ref": "2013, Andrew Burrows, David Johnston, Reinhard Zimmermann, Judge and Jurist: Essays in Memory of Lord Rodger of Earlsferry",
          "text": "I'm glad to report that the masses are still attending my orations at 12 on Mondays and I'm even given to understand, through some of my more faithful former pupils, that I am having what ladies in Henry James call a succès fou.",
          "type": "quotation"
        },
        {
          "ref": "2014, May Sarton, Mrs. Stevens Hears the Mermaids Singing: A Novel",
          "text": "“I am caged! I don't fit in, and I never will. You are so right. It's not being American—it's being myself. I'm a writer, Adrian!” “Well, what if you are? You're a succès fou.”",
          "type": "quotation"
        },
        {
          "ref": "2014, Sally Beauman, Sextet: Lovers and Liars Trilogy",
          "text": "For the past year,Natasha Lawrence had been playing the title role in Estella, a musical by a celebrated English composer which had been a succès fou in London,and was now a succès fou in New York.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A tremendous success."
      ],
      "id": "en-succès_fou-en-noun-OBB-hWDl",
      "links": [
        [
          "tremendous",
          "tremendous"
        ],
        [
          "success",
          "success"
        ]
      ]
    }
  ],
  "word": "succès fou"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "succès fou",
        "lit": "mad success"
      },
      "expansion": "French succès fou (literally “mad success”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from French succès fou (literally “mad success”).",
  "forms": [
    {
      "form": "succès fous",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "nolinkhead": "1"
      },
      "expansion": "succès fou (plural succès fous)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms borrowed from French",
        "English terms derived from French",
        "English terms spelled with È",
        "English terms spelled with ◌̀",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2001, Davis Dyer, Daniel Gross, The Generations of Corning: The Life and Times of a Global Corporation",
          "text": "This coyness produced the desired effect: the exhibit at the Fine Arts Society Gallery on Bond Street proved \"a howling success” and “a mob scene.” “It was a succès fou, recalled Arthur Houghton much later. A succès fou is right,” added Gates.",
          "type": "quotation"
        },
        {
          "ref": "2013, Andrew Burrows, David Johnston, Reinhard Zimmermann, Judge and Jurist: Essays in Memory of Lord Rodger of Earlsferry",
          "text": "I'm glad to report that the masses are still attending my orations at 12 on Mondays and I'm even given to understand, through some of my more faithful former pupils, that I am having what ladies in Henry James call a succès fou.",
          "type": "quotation"
        },
        {
          "ref": "2014, May Sarton, Mrs. Stevens Hears the Mermaids Singing: A Novel",
          "text": "“I am caged! I don't fit in, and I never will. You are so right. It's not being American—it's being myself. I'm a writer, Adrian!” “Well, what if you are? You're a succès fou.”",
          "type": "quotation"
        },
        {
          "ref": "2014, Sally Beauman, Sextet: Lovers and Liars Trilogy",
          "text": "For the past year,Natasha Lawrence had been playing the title role in Estella, a musical by a celebrated English composer which had been a succès fou in London,and was now a succès fou in New York.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A tremendous success."
      ],
      "links": [
        [
          "tremendous",
          "tremendous"
        ],
        [
          "success",
          "success"
        ]
      ]
    }
  ],
  "word": "succès fou"
}