big bomb (4,000 pounds or larger, according to some sources), 1942, from block in the "built-up city square" sense. Entertainment sense is attested from 1957.
n. something enormous, especially a movie or book that attracts a large audience. : That blockbuster should make about twenty million.
mod. exciting and successful. : With a blockbuster novel like that in print, you should make quite a bundle.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source