"book it" meaning in English

{
  "etymology_text": "Possibly from earlier onomatopoeic bookity-book.",
  "forms": [
    {
      "form": "books it",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "booking it",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "booked it",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "booked it",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "book it (third-person singular simple present books it, present participle booking it, simple past and past participle booked it)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 terms with placeholder \"it\"",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020, N. K. Jemisin, The City We Became, Orbit, page 169",
          "text": "But if I’m not around? Book it. Run away, not toward it like you did today.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To take off quickly; to leave in a hurry."
      ],
      "id": "en-book_it-en-verb-PD0~dB3R",
      "links": [
        [
          "take off",
          "take off"
        ],
        [
          "leave",
          "leave"
        ]
      ],
      "raw_glosses": [
        "(slang) To take off quickly; to leave in a hurry."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-book it.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/79/En-au-book_it.ogg/En-au-book_it.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/79/En-au-book_it.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "book it"
}

{
  "etymology_text": "Possibly from earlier onomatopoeic bookity-book.",
  "forms": [
    {
      "form": "books it",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "booking it",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "booked it",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "booked it",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "book it (third-person singular simple present books it, present participle booking it, simple past and past participle booked it)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English slang",
        "English terms with audio links",
        "English terms with placeholder \"it\"",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "2020, N. K. Jemisin, The City We Became, Orbit, page 169",
          "text": "But if I’m not around? Book it. Run away, not toward it like you did today.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To take off quickly; to leave in a hurry."
      ],
      "links": [
        [
          "take off",
          "take off"
        ],
        [
          "leave",
          "leave"
        ]
      ],
      "raw_glosses": [
        "(slang) To take off quickly; to leave in a hurry."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-book it.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/79/En-au-book_it.ogg/En-au-book_it.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/79/En-au-book_it.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "book it"
}