Doorbuster
（重定向自Door buster）
A Doorbuster deal in economics is a term which refers to an offer which is handed out early into the business's opening hours, with the intent of attracting large numbers of shoppers into the business. A typical doorbuster deal is an item or selection of items which is given a special Discount price for a limited amount of time. This offer is referred to as a 'Doorbuster' because of literal incidents in which doors were broken down by a flood of people struggling to get the goods before they sold out. Doorbuster deals are usually employed on major shopping days, such as Black Friday and Boxing Day.