"Blockbuster" means "explosive." It means Brazil's team started off with a burst of speed and power. Here's the history of the word. "Block" can mean a city block. A city block is a square area about 100 meters on a side, with buildings in it and streets around it. "Let's talk a walk around the block." To "bust" can mean to break up or destroy. "I busted it by hitting it with a hammer." A "blockbuster" means "something that can destroy a whole city block." During World War II, bigger and bigger bomber dropped bigger and bigger bombs. At one point, a "blockbuster" was the largest and most destructive of all bombs. It was a bomb so big it could destroy a whole city block. The word came to mean "most explosive," "most powerful," and then came to mean explosive _success,_ "a blockbuster movie."