"alien space bats" meaning in English

{
  "etymology_text": "Coined in the Usenet newsgroup soc.history.what-if.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "alien space bats pl (plural only)",
      "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": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Alternate history",
          "orig": "en:Alternate history",
          "parents": [
            "History",
            "Speculative fiction",
            "All topics",
            "Fiction",
            "Genres",
            "Fundamental",
            "Artistic works",
            "Entertainment",
            "Art",
            "Culture",
            "Society"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Celestial inhabitants",
          "orig": "en:Celestial inhabitants",
          "parents": [
            "Demonyms",
            "Fictional characters",
            "Science fiction",
            "Names",
            "People",
            "Fiction",
            "Speculative fiction",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Human",
            "Artistic works",
            "Genres",
            "Fundamental",
            "Nouns",
            "Art",
            "Entertainment",
            "Lemmas",
            "Culture",
            "Society"
          ],
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Stock characters",
          "orig": "en:Stock characters",
          "parents": [
            "Fictional characters",
            "Fiction",
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An implausible point of divergence from reality, used as a plot device in alternate history."
      ],
      "id": "en-alien_space_bats-en-noun-Ol1BvYK3",
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "implausible",
          "implausible"
        ],
        [
          "divergence",
          "divergence"
        ],
        [
          "reality",
          "reality"
        ],
        [
          "plot device",
          "plot device"
        ],
        [
          "alternate history",
          "alternate history"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) An implausible point of divergence from reality, used as a plot device in alternate history."
      ],
      "synonyms": [
        {
          "word": "ASB"
        }
      ],
      "tags": [
        "plural",
        "plural-only",
        "slang"
      ],
      "topics": [
        "lifestyle"
      ]
    }
  ],
  "word": "alien space bats"
}

{
  "etymology_text": "Coined in the Usenet newsgroup soc.history.what-if.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "alien space bats pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English fandom slang",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "en:Alternate history",
        "en:Celestial inhabitants",
        "en:Narratology",
        "en:Stock characters"
      ],
      "glosses": [
        "An implausible point of divergence from reality, used as a plot device in alternate history."
      ],
      "links": [
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "implausible",
          "implausible"
        ],
        [
          "divergence",
          "divergence"
        ],
        [
          "reality",
          "reality"
        ],
        [
          "plot device",
          "plot device"
        ],
        [
          "alternate history",
          "alternate history"
        ]
      ],
      "raw_glosses": [
        "(fandom slang) An implausible point of divergence from reality, used as a plot device in alternate history."
      ],
      "tags": [
        "plural",
        "plural-only",
        "slang"
      ],
      "topics": [
        "lifestyle"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ASB"
    }
  ],
  "word": "alien space bats"
}