blockbuster

noun6

1. •
   Something, such as a film or book, that sustains exceptional and widespread popularity and achieves enormous sales, as opposed to a box office bomb.

   • He was watching the blockbuster film series Harry Potter.
2. •
   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

   • "General William Booth Enters into Heaven" is lusty, a blockbuster conception. — 1961
3. •
   (slang) Anything very large or powerful; a whopper.

   • “How nice," she responded to his invitation, “but I've got a blockbuster of a headache. I'm paying for last night. Call me tomorrow, will you?" — 1998
4. •
   (US) One who engages in blockbusting (technique encouraging people to sell property).
5. •
   A high-explosive bomb used for the purposes of demolishing extensive areas, such as a city block.
6. •
   A large firework of the firecracker type; an M-80.