Gangbuster rhymes with:
blockbuster, filibuster, fill-a-buster, fillibuster, ghostbuster, swampbuster, blockbuster, filibuster, fill-a-buster, fillibuster, ghostbuster, lackluster, swampbuster
blockbuster, filibuster, fill-a-buster, fillibuster, ghostbuster, swampbuster, blockbuster, filibuster, fill-a-buster, fillibuster, ghostbuster, lackluster, swampbuster