"mind eraser" meaning in English

{
  "forms": [
    {
      "form": "mind erasers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mind eraser (plural mind erasers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cocktails",
          "orig": "en:Cocktails",
          "parents": [
            "Alcoholic beverages",
            "Beverages",
            "Recreational drugs",
            "Drinking",
            "Food and drink",
            "Liquids",
            "Drugs",
            "Human behaviour",
            "All topics",
            "Matter",
            "Pharmacology",
            "Human",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Biochemistry",
            "Medicine",
            "Sciences",
            "Biology"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Black Russian cocktail topped up with carbonated water."
      ],
      "id": "en-mind_eraser-en-noun-micfUj-G",
      "links": [
        [
          "Black Russian",
          "Black Russian"
        ],
        [
          "cocktail",
          "cocktail"
        ],
        [
          "carbonated",
          "carbonated"
        ],
        [
          "water",
          "water"
        ]
      ]
    }
  ],
  "word": "mind eraser"
}

{
  "forms": [
    {
      "form": "mind erasers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mind eraser (plural mind erasers)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Cocktails"
      ],
      "glosses": [
        "A Black Russian cocktail topped up with carbonated water."
      ],
      "links": [
        [
          "Black Russian",
          "Black Russian"
        ],
        [
          "cocktail",
          "cocktail"
        ],
        [
          "carbonated",
          "carbonated"
        ],
        [
          "water",
          "water"
        ]
      ]
    }
  ],
  "word": "mind eraser"
}