"squeaky bum time" meaning in English

{
  "etymology_text": "Attributed to Sir Alex Ferguson, famed Scottish association football manager and former player, it implies the sound made by moving around in a plastic seat while squirming under pressure. Ferguson had said \"squeeze your bum time\" (that is, clenching one's buttocks under pressure) but it was misheard by journalist Kevin McCarra and the misquote stuck.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "squeaky bum time (uncountable)",
      "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": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sports",
          "orig": "en:Sports",
          "parents": [
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2003 March 18, “Fergie just can't stop playing his mind games”, in Daily Express, page 62:",
          "text": "\"It's getting tickly now - squeaky-bum time, I call it.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Chiefly, an exciting part of a sporting event, particularly the final moments of a close game or season."
      ],
      "id": "en-squeaky_bum_time-en-noun-7~Oj6L2t",
      "raw_glosses": [
        "(informal, chiefly UK) Chiefly, an exciting part of a sporting event, particularly the final moments of a close game or season."
      ],
      "tags": [
        "UK",
        "informal",
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "exciting part of a sport event",
          "tags": [
            "plural"
          ],
          "word": "jännittävät hetket"
        }
      ],
      "wikipedia": [
        "association football"
      ]
    }
  ],
  "word": "squeaky bum time"
}

{
  "etymology_text": "Attributed to Sir Alex Ferguson, famed Scottish association football manager and former player, it implies the sound made by moving around in a plastic seat while squirming under pressure. Ferguson had said \"squeeze your bum time\" (that is, clenching one's buttocks under pressure) but it was misheard by journalist Kevin McCarra and the misquote stuck.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "squeaky bum time (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Sports"
      ],
      "examples": [
        {
          "ref": "2003 March 18, “Fergie just can't stop playing his mind games”, in Daily Express, page 62:",
          "text": "\"It's getting tickly now - squeaky-bum time, I call it.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Chiefly, an exciting part of a sporting event, particularly the final moments of a close game or season."
      ],
      "raw_glosses": [
        "(informal, chiefly UK) Chiefly, an exciting part of a sporting event, particularly the final moments of a close game or season."
      ],
      "tags": [
        "UK",
        "informal",
        "uncountable"
      ],
      "wikipedia": [
        "association football"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "exciting part of a sport event",
      "tags": [
        "plural"
      ],
      "word": "jännittävät hetket"
    }
  ],
  "word": "squeaky bum time"
}