"mad minute" meaning in English

{
  "forms": [
    {
      "form": "mad minutes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mad minute (plural mad minutes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2013, John J. Gebhart, LBJ's Hired Gun",
          "text": "Then the Major got into the game and launched rockets at them, and we all had a few mad minutes having target practice on the Lionel train set.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A test of marksmanship with 15 aimed shots at a 12-inch target at 200 yards within one minute."
      ],
      "id": "en-mad_minute-en-noun-wU5Vp2v0",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "marksmanship",
          "marksmanship"
        ],
        [
          "target",
          "target"
        ],
        [
          "yard",
          "yard"
        ]
      ],
      "raw_glosses": [
        "(UK, military) A test of marksmanship with 15 aimed shots at a 12-inch target at 200 yards within one minute."
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "mad minute"
}

{
  "forms": [
    {
      "form": "mad minutes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mad minute (plural mad minutes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Military"
      ],
      "examples": [
        {
          "ref": "2013, John J. Gebhart, LBJ's Hired Gun",
          "text": "Then the Major got into the game and launched rockets at them, and we all had a few mad minutes having target practice on the Lionel train set.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A test of marksmanship with 15 aimed shots at a 12-inch target at 200 yards within one minute."
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "marksmanship",
          "marksmanship"
        ],
        [
          "target",
          "target"
        ],
        [
          "yard",
          "yard"
        ]
      ],
      "raw_glosses": [
        "(UK, military) A test of marksmanship with 15 aimed shots at a 12-inch target at 200 yards within one minute."
      ],
      "tags": [
        "UK"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "mad minute"
}