Definitions from Wiktionary ( )

▸ noun:  A high-explosive bomb used for the purposes of demolishing extensive areas, such as a city block.
▸ noun:  (informal) Something, such as a film or book, that sustains exceptional and widespread popularity and achieves enormous sales, as opposed to a box office bomb.
▸ noun:  (informal) Something, especially an event or a film, book or other creative work, that is intended to achieve high sales (perhaps indicated by large budgets or high advertising spending) or that is conceived on a large or epic scale
▸ noun:  (slang) Anything very large or powerful; a whopper.
▸ noun:  A large firework of the firecracker type; an M-80.
▸ noun:  (US) One who engages in blockbusting (technique encouraging people to sell property).

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