"liquid sky" meaning in English

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      "expansion": "liquid sky (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
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          "kind": "other",
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      "examples": [
        {
          "ref": "1982, Slava Tsukerman, Anne Carlisle, Nina V. Kerova, Liquid Sky, spoken by Paul (Stanley Knapp)",
          "text": "Liquid sky, the key to heaven, the milk of paradise, that's what they used to call it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Heroin."
      ],
      "id": "en-liquid_sky-en-noun--HFk22IR",
      "links": [
        [
          "Heroin",
          "heroin"
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      "raw_glosses": [
        "(US, slang) Heroin."
      ],
      "synonyms": [
        {
          "word": "heroin"
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      "tags": [
        "US",
        "slang",
        "uncountable"
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    }
  ],
  "word": "liquid sky"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "liquid sky (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "1982, Slava Tsukerman, Anne Carlisle, Nina V. Kerova, Liquid Sky, spoken by Paul (Stanley Knapp)",
          "text": "Liquid sky, the key to heaven, the milk of paradise, that's what they used to call it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Heroin."
      ],
      "links": [
        [
          "Heroin",
          "heroin"
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      "raw_glosses": [
        "(US, slang) Heroin."
      ],
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        {
          "word": "heroin"
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      "tags": [
        "US",
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  "word": "liquid sky"
}