"grand poobah" meaning in English

{
  "etymology_text": "From Pooh-Bah, the name of a character in Gilbert and Sullivan's comic opera The Mikado (1885).",
  "forms": [
    {
      "form": "grand poobahs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand poobah (plural grand poobahs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "49 51",
      "word": "poobah"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "98 2",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "He once played golf with the grand poobah of their company."
        }
      ],
      "glosses": [
        "A person who is important or high-ranking."
      ],
      "id": "en-grand_poobah-en-noun-7rmJ3HP6",
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "person",
          "person"
        ],
        [
          "important",
          "important"
        ],
        [
          "high-ranking",
          "high-ranking"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial, often humorous) A person who is important or high-ranking."
      ],
      "tags": [
        "colloquial",
        "humorous",
        "idiomatic",
        "often"
      ]
    },
    {
      "categories": [
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An extremely pompous person."
      ],
      "id": "en-grand_poobah-en-noun-DTQlslhH"
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡɹænd ˈpuːbɑː/"
    },
    {
      "audio": "en-au-grand poobah.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9b/En-au-grand_poobah.ogg/En-au-grand_poobah.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9b/En-au-grand_poobah.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "_dis1": "49 51",
      "word": "important person"
    },
    {
      "_dis1": "49 51",
      "word": "Grand Poobah"
    }
  ],
  "wikipedia": [
    "Gilbert and Sullivan",
    "The Mikado"
  ],
  "word": "grand poobah"
}

{
  "categories": [
    "English countable nouns",
    "English entries with language name categories using raw markup",
    "English entries with topic categories using raw markup",
    "English eponyms",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English terms with non-redundant non-automated sortkeys",
    "en:People"
  ],
  "etymology_text": "From Pooh-Bah, the name of a character in Gilbert and Sullivan's comic opera The Mikado (1885).",
  "forms": [
    {
      "form": "grand poobahs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand poobah (plural grand poobahs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "poobah"
    }
  ],
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English humorous terms",
        "English idioms"
      ],
      "examples": [
        {
          "text": "He once played golf with the grand poobah of their company."
        }
      ],
      "glosses": [
        "A person who is important or high-ranking."
      ],
      "links": [
        [
          "humorous",
          "humorous"
        ],
        [
          "person",
          "person"
        ],
        [
          "important",
          "important"
        ],
        [
          "high-ranking",
          "high-ranking"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, colloquial, often humorous) A person who is important or high-ranking."
      ],
      "tags": [
        "colloquial",
        "humorous",
        "idiomatic",
        "often"
      ]
    },
    {
      "glosses": [
        "An extremely pompous person."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡɹænd ˈpuːbɑː/"
    },
    {
      "audio": "en-au-grand poobah.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9b/En-au-grand_poobah.ogg/En-au-grand_poobah.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9b/En-au-grand_poobah.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "important person"
    },
    {
      "word": "Grand Poobah"
    }
  ],
  "wikipedia": [
    "Gilbert and Sullivan",
    "The Mikado"
  ],
  "word": "grand poobah"
}