A Block Buster is a term used to describe a movie that is extremely successful at the box office. The term can also be used to describe a product or service that is very popular and successful. The crossword solutions for the term Block Buster are ICEMAN (6 letters), IDEA (4 letters), TNT (3 letters), and KARATOP (7 letters). ICEMAN could refer to the Marvel Comics superhero, Iceman, who has been featured in several blockbuster films. IDEA could refer to an innovative IDEA that leads to a successful product or service. TNT is an abbreviation for trinitrotoluene, which is an explosive material often used in action movies. Finally, KARATOP could refer to a type of top that is spun with a karate-like motion, which is often seen in martial arts films.