411 REFERENCE · Wiktionary
Delia effect
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
1
en informal The large boost in sales or popularity of cooking ingredients or utensils endorsed by Delia Smith.
en Julia Finch Stores see an ice age ahead thanks to the credit freeze The Guardian 2008-12-13 https://www.theguardian.com/business/2008/dec/13/frozen-food-recession 0261-3077 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.
See also
en Oprah effect
en eponyms