doorbuster

or door-bust·er

[ dawr-buhs-ter, dohr‐ ]
/ ˈdɔrˌbʌs tər, ˈdoʊr‐ /

noun

Informal.
  1. a retail item that is heavily discounted for a very limited time in order to draw customers to the store.
  2. the price of such an item.
a device used to forcibly open a door.
a person who breaks into a place by force.

Origin of doorbuster

First recorded in 1890–1900; door + buster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for doorbuster