"London to a brick" meaning in English

{
  "etymology_text": "Short for London to a brick on, expressing notional odds where the entire city of London is bet against a worthless object. Compare a pound to a penny.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "London to a brick (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with ignored id parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              5,
              22
            ],
            [
              281,
              298
            ]
          ],
          "ref": "2017, Graham Oppy, “Rationality and Worldview”, in J. L. Schellenberg, Paul Draper, editor, Renewing Philosophy of Religion: Exploratory Essays, page 185:",
          "text": "It's London to a brick that if someone says that his world-view is demonstrably more theoretically virtuous than competing world-views, then the demonstration in question makes no serious attempt to assess the theoretical virtues of competing worldviews. And it's not far short of London to a brick that he doesn't even get as far as setting up straw man competitors to the touted worldview.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extremely likely, virtually certain."
      ],
      "id": "en-London_to_a_brick-en-adj-2X2V-9Lh",
      "links": [
        [
          "likely",
          "likely"
        ],
        [
          "certain",
          "certain"
        ]
      ],
      "raw_glosses": [
        "(Australia) Extremely likely, virtually certain."
      ],
      "tags": [
        "Australia",
        "not-comparable"
      ]
    }
  ],
  "word": "London to a brick"
}

{
  "etymology_text": "Short for London to a brick on, expressing notional odds where the entire city of London is bet against a worthless object. Compare a pound to a penny.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "London to a brick (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English links with ignored id parameters",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              5,
              22
            ],
            [
              281,
              298
            ]
          ],
          "ref": "2017, Graham Oppy, “Rationality and Worldview”, in J. L. Schellenberg, Paul Draper, editor, Renewing Philosophy of Religion: Exploratory Essays, page 185:",
          "text": "It's London to a brick that if someone says that his world-view is demonstrably more theoretically virtuous than competing world-views, then the demonstration in question makes no serious attempt to assess the theoretical virtues of competing worldviews. And it's not far short of London to a brick that he doesn't even get as far as setting up straw man competitors to the touted worldview.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extremely likely, virtually certain."
      ],
      "links": [
        [
          "likely",
          "likely"
        ],
        [
          "certain",
          "certain"
        ]
      ],
      "raw_glosses": [
        "(Australia) Extremely likely, virtually certain."
      ],
      "tags": [
        "Australia",
        "not-comparable"
      ]
    }
  ],
  "word": "London to a brick"
}