"big-lipped alligator moment" meaning in English

{
  "etymology_text": "Coined in a 2009 Nostalgia Critic review of FernGully: The Last Rainforest, referring to a scene in the 1989 film All Dogs Go to Heaven, in which an alligator breaks into an Esther Williams-style musical number.",
  "forms": [
    {
      "form": "big-lipped alligator moments",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big-lipped alligator moment (plural big-lipped alligator 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": "topical",
          "langcode": "en",
          "name": "Narratology",
          "orig": "en:Narratology",
          "parents": [
            "Drama",
            "Literature",
            "Theater",
            "Culture",
            "Entertainment",
            "Writing",
            "Art",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Human",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009, rec.arts.animation (Usenet)",
          "text": "This may be the first case where the *entire* movie is a Big Lipped Alligator Moment . . .",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A notably unusual, tangential scene in a movie or similar work of fiction, which occurs without setup and does not affect the story afterward."
      ],
      "id": "en-big-lipped_alligator_moment-en-noun-VahC~EdV",
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "tangential",
          "tangential"
        ],
        [
          "scene",
          "scene"
        ],
        [
          "movie",
          "movie"
        ],
        [
          "work of fiction",
          "work of fiction"
        ],
        [
          "setup",
          "setup"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) A notably unusual, tangential scene in a movie or similar work of fiction, which occurs without setup and does not affect the story afterward."
      ],
      "synonyms": [
        {
          "word": "BLAM"
        }
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ],
      "wikipedia": [
        "All Dogs Go to Heaven",
        "Esther Williams",
        "FernGully: The Last Rainforest",
        "Nostalgia Critic"
      ]
    }
  ],
  "word": "big-lipped alligator moment"
}

{
  "etymology_text": "Coined in a 2009 Nostalgia Critic review of FernGully: The Last Rainforest, referring to a scene in the 1989 film All Dogs Go to Heaven, in which an alligator breaks into an Esther Williams-style musical number.",
  "forms": [
    {
      "form": "big-lipped alligator moments",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big-lipped alligator moment (plural big-lipped alligator moments)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English TV Tropes slang",
        "English countable nouns",
        "English entries with incorrect language header",
        "English fandom slang",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Narratology"
      ],
      "examples": [
        {
          "ref": "2009, rec.arts.animation (Usenet)",
          "text": "This may be the first case where the *entire* movie is a Big Lipped Alligator Moment . . .",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A notably unusual, tangential scene in a movie or similar work of fiction, which occurs without setup and does not affect the story afterward."
      ],
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "tangential",
          "tangential"
        ],
        [
          "scene",
          "scene"
        ],
        [
          "movie",
          "movie"
        ],
        [
          "work of fiction",
          "work of fiction"
        ],
        [
          "setup",
          "setup"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) A notably unusual, tangential scene in a movie or similar work of fiction, which occurs without setup and does not affect the story afterward."
      ],
      "synonyms": [
        {
          "word": "BLAM"
        }
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "lifestyle"
      ],
      "wikipedia": [
        "All Dogs Go to Heaven",
        "Esther Williams",
        "FernGully: The Last Rainforest",
        "Nostalgia Critic"
      ]
    }
  ],
  "word": "big-lipped alligator moment"
}