"snuff film" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Film",
          "orig": "en:Film",
          "parents": [
            "Entertainment",
            "Mass media",
            "Culture",
            "Media",
            "Society",
            "Communication",
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            "Death",
            "Violence",
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        {
          "ref": "1981 August 15, Nancy Wechsler, Gayle Rubin, Pat Califia, “Sadomasochism: Fears, Facts, Fantasies”, in Gay Community News, volume 9, number 5, page 7:",
          "text": "Their whole case that porn is violent rests on classifying s/m porn as violent, and lumping it in with the snuff film.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A film that shows, or purports to show, the actual deliberate killing of one of the performers."
      ],
      "id": "en-snuff_film-en-noun-cUXP9RGM",
      "links": [
        [
          "film",
          "film#Noun"
        ],
        [
          "purport",
          "purport"
        ],
        [
          "deliberate",
          "deliberate"
        ],
        [
          "killing",
          "killing"
        ],
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          "performer",
          "performer"
        ]
      ],
      "raw_glosses": [
        "(film) A film that shows, or purports to show, the actual deliberate killing of one of the performers."
      ],
      "related": [
        {
          "word": "snuff out"
        }
      ],
      "synonyms": [
        {
          "word": "snuff movie"
        }
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ],
      "wikipedia": [
        "snuff film"
      ]
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  "word": "snuff film"
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      "form": "snuff films",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "snuff out"
    }
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        "en:Murder"
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        {
          "ref": "1981 August 15, Nancy Wechsler, Gayle Rubin, Pat Califia, “Sadomasochism: Fears, Facts, Fantasies”, in Gay Community News, volume 9, number 5, page 7:",
          "text": "Their whole case that porn is violent rests on classifying s/m porn as violent, and lumping it in with the snuff film.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A film that shows, or purports to show, the actual deliberate killing of one of the performers."
      ],
      "links": [
        [
          "film",
          "film#Noun"
        ],
        [
          "purport",
          "purport"
        ],
        [
          "deliberate",
          "deliberate"
        ],
        [
          "killing",
          "killing"
        ],
        [
          "performer",
          "performer"
        ]
      ],
      "raw_glosses": [
        "(film) A film that shows, or purports to show, the actual deliberate killing of one of the performers."
      ],
      "synonyms": [
        {
          "word": "snuff movie"
        }
      ],
      "topics": [
        "broadcasting",
        "film",
        "media",
        "television"
      ],
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  "word": "snuff film"
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