Adjective
big block (not comparable)
(automotive, of an engine) Having or characterised by a large, heavy and powerful engine block.
Now I wonder who is gonna be president: Tweedle Dumb, or Tweedle Dumber-- And who is gonna have the big block buster box office this summer. Ani DiFranco
Trying to write books with a subject matter or in a genre or style you're not familiar with is the best way to find the Big Block looming. Jeffery Deaver