"killer litter" meaning in English

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      "expansion": "killer litter (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "Unwanted items thrown from high-rise apartment buildings, posing a danger to pedestrians below."
      ],
      "id": "en-killer_litter-en-noun-yC6qvGub",
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        [
          "danger",
          "danger"
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        [
          "pedestrian",
          "pedestrian"
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      "raw_glosses": [
        "(Singapore) Unwanted items thrown from high-rise apartment buildings, posing a danger to pedestrians below."
      ],
      "tags": [
        "Singapore",
        "uncountable"
      ]
    }
  ],
  "word": "killer litter"
}

{
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      "expansion": "killer litter (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Singapore English"
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      "glosses": [
        "Unwanted items thrown from high-rise apartment buildings, posing a danger to pedestrians below."
      ],
      "links": [
        [
          "danger",
          "danger"
        ],
        [
          "pedestrian",
          "pedestrian"
        ]
      ],
      "raw_glosses": [
        "(Singapore) Unwanted items thrown from high-rise apartment buildings, posing a danger to pedestrians below."
      ],
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        "Singapore",
        "uncountable"
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  ],
  "word": "killer litter"
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