- blockbuster - a large bomb used to demolish extensive areas (as a city block)
--1 is a kind of general-purpose bomb, GP bomb
- blockbuster, megahit, smash hit - an unsually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel)
--2 is a kind of hit, smash, smasher, strike, bang
- blockbuster, megahit, smash hit - an unsually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel)