also block-buster, huge bomb (4,000 weight or larger, relating to some resources), 1942, from block (letter.) inside "built-up city square" feeling. Entertainment good sense is attested from 1957. U.S. feeling of "real property agent whom sells a residence to a black family on an all-white area," hence sparking an exodus, is from 1955.
a big bomb accustomed demolish extensive areas (as a city block)
- an unusually effective hit with extensive appeal and huge sales (especially a movie or play or tracking or book)
The Deans and Fred were torn between discussing Fitzgerald's blockbuster announcement and this conversation, which was becoming more interesting by the minute.