"Delia effect" meaning in English

{
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      "form": "the Delia effect",
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        "def": "1"
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      "expansion": "the Delia effect",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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      "examples": [
        {
          "ref": "2008 December 13, Julia Finch, “Stores see an ice age ahead thanks to the credit freeze”, in The Guardian, →ISSN",
          "text": "The \"Delia effect\" has previously prompted soaring demand for products ranging from cranberries to frying pans. But since then hard-pressed shoppers have increasingly been drawn to the freezer cabinet.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The large boost in sales or popularity of cooking ingredients or utensils endorsed by Delia Smith."
      ],
      "id": "en-Delia_effect-en-name-SArDfk~p",
      "links": [
        [
          "boost",
          "boost"
        ],
        [
          "sales",
          "sales"
        ],
        [
          "popularity",
          "popularity"
        ]
      ],
      "raw_glosses": [
        "(informal) The large boost in sales or popularity of cooking ingredients or utensils endorsed by Delia Smith."
      ],
      "related": [
        {
          "word": "Oprah effect"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "Delia effect"
}

{
  "forms": [
    {
      "form": "the Delia effect",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
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        "def": "1"
      },
      "expansion": "the Delia effect",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Oprah effect"
    }
  ],
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        "English uncountable nouns"
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      "examples": [
        {
          "ref": "2008 December 13, Julia Finch, “Stores see an ice age ahead thanks to the credit freeze”, in The Guardian, →ISSN",
          "text": "The \"Delia effect\" has previously prompted soaring demand for products ranging from cranberries to frying pans. But since then hard-pressed shoppers have increasingly been drawn to the freezer cabinet.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The large boost in sales or popularity of cooking ingredients or utensils endorsed by Delia Smith."
      ],
      "links": [
        [
          "boost",
          "boost"
        ],
        [
          "sales",
          "sales"
        ],
        [
          "popularity",
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        ]
      ],
      "raw_glosses": [
        "(informal) The large boost in sales or popularity of cooking ingredients or utensils endorsed by Delia Smith."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "Delia effect"
}