blockbuster

1. A high-explosive bomb used for the purposes of demolishing extensive areas, such as a city block.
2. Something, such as a film or book, that sustains exceptional and widespread popularity and achieves enormous sales, as opposed to a box office bomb. (informal) · He was watching the blockbuster film series Harry Potter.
3. 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 (informal)
4. Anything very large or powerful; a whopper. (slang)
5. A large firework of the firecracker type; an M-80.
6. One who engages in blockbusting (technique encouraging people to sell property). (US)

Plural blockbusters