"like a shot" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "like a shot",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1899, H. G. Wells, Mr. Brisher's Treasure",
          "text": "I went over the fence like a shot, and ran like one o'clock for the trap, cussing and swearing as I went.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "suddenly; without delay or hesitation."
      ],
      "id": "en-like_a_shot-en-prep_phrase-LyDHMhLq",
      "raw_glosses": [
        "(informal) suddenly; without delay or hesitation."
      ],
      "related": [
        {
          "word": "off like a bride's nightie"
        },
        {
          "word": "off like a prom dress"
        },
        {
          "word": "on the double"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "like a shot"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "like a shot",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "off like a bride's nightie"
    },
    {
      "word": "off like a prom dress"
    },
    {
      "word": "on the double"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English prepositional phrases",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1899, H. G. Wells, Mr. Brisher's Treasure",
          "text": "I went over the fence like a shot, and ran like one o'clock for the trap, cussing and swearing as I went.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "suddenly; without delay or hesitation."
      ],
      "raw_glosses": [
        "(informal) suddenly; without delay or hesitation."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "like a shot"
}