"open slather" meaning in English

{
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      "expansion": "open slather (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "ref": "2006, Alexis Wright, Carpentaria, Giramondo, published 2012, page 358:",
          "text": "[T]he whispered words which kept repeating themselves when he picked up the phone in the middle of the night, while another voice gave the warning, Stay out of it Truthful, it's open slather now.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Freedom to act without repercussions; free rein."
      ],
      "id": "en-open_slather-en-noun-92Gfn~7i",
      "links": [
        [
          "free rein",
          "free rein"
        ]
      ],
      "raw_glosses": [
        "(Australia) Freedom to act without repercussions; free rein."
      ],
      "tags": [
        "Australia",
        "uncountable"
      ]
    }
  ],
  "word": "open slather"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "open slather (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2006, Alexis Wright, Carpentaria, Giramondo, published 2012, page 358:",
          "text": "[T]he whispered words which kept repeating themselves when he picked up the phone in the middle of the night, while another voice gave the warning, Stay out of it Truthful, it's open slather now.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Freedom to act without repercussions; free rein."
      ],
      "links": [
        [
          "free rein",
          "free rein"
        ]
      ],
      "raw_glosses": [
        "(Australia) Freedom to act without repercussions; free rein."
      ],
      "tags": [
        "Australia",
        "uncountable"
      ]
    }
  ],
  "word": "open slather"
}