"couldn't organise a piss-up in a brewery" meaning in English

{
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  "lang_code": "en",
  "pos": "phrase",
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          "kind": "other",
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        {
          "ref": "2006, G. C. Lemans, Chantier: A tribute to the world's engineers and their partners in life, page 60:",
          "text": "“Deladrieux should have stayed an accountant,” Murphy sighed. “He's got three people working for him but they're just administrative clerks, pencil-pushers, they couldn't organise a piss-up in a brewery. That's what you get when you assign engineering jobs to non-engineers.[…]”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Is unable even to organise a project that requires no planning; is incompetent."
      ],
      "id": "en-couldn't_organise_a_piss-up_in_a_brewery-en-phrase-OMMDpwWH",
      "links": [
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          "incompetent",
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      "raw_glosses": [
        "(UK, Ireland, Australia, New Zealand, vulgar, slang, idiomatic) Is unable even to organise a project that requires no planning; is incompetent."
      ],
      "related": [
        {
          "word": "way out of a paper bag"
        },
        {
          "word": "way to run a railroad"
        },
        {
          "word": "whelk stall"
        }
      ],
      "synonyms": [
        {
          "word": "couldn't organise a two-ticket raffle"
        },
        {
          "word": "couldn't organise an orgy in a brothel"
        },
        {
          "word": "couldn't organise a bun fight in a bakery"
        },
        {
          "word": "couldn't pour water out of a boot"
        }
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        "slang",
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  "word": "couldn't organise a piss-up in a brewery"
}

{
  "etymology_text": "Presents an example of a minimally simple project that the person or group described is presumed unable to accomplish.",
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      "expansion": "couldn't organise a piss-up in a brewery",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "way out of a paper bag"
    },
    {
      "word": "way to run a railroad"
    },
    {
      "word": "whelk stall"
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        "English slang",
        "English terms with quotations",
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        "Irish English",
        "New Zealand English",
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        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
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        {
          "ref": "2006, G. C. Lemans, Chantier: A tribute to the world's engineers and their partners in life, page 60:",
          "text": "“Deladrieux should have stayed an accountant,” Murphy sighed. “He's got three people working for him but they're just administrative clerks, pencil-pushers, they couldn't organise a piss-up in a brewery. That's what you get when you assign engineering jobs to non-engineers.[…]”",
          "type": "quote"
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      ],
      "glosses": [
        "Is unable even to organise a project that requires no planning; is incompetent."
      ],
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        [
          "incompetent",
          "incompetent"
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      ],
      "raw_glosses": [
        "(UK, Ireland, Australia, New Zealand, vulgar, slang, idiomatic) Is unable even to organise a project that requires no planning; is incompetent."
      ],
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        "Australia",
        "Ireland",
        "New-Zealand",
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        "slang",
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  "synonyms": [
    {
      "word": "couldn't organise a two-ticket raffle"
    },
    {
      "word": "couldn't organise an orgy in a brothel"
    },
    {
      "word": "couldn't organise a bun fight in a bakery"
    },
    {
      "word": "couldn't pour water out of a boot"
    }
  ],
  "word": "couldn't organise a piss-up in a brewery"
}