knock someone’s block off

knock someone’s block off

tv. to hit someone hard in the head. (see also block.) Wilbur almost knocked Tom’s block off by accident.
See also: block, knock, off
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • knock (one's) block off
  • knock block off
  • knock someone's block off
  • block
  • I'll knock your block/head off!
  • the block is hot
  • Headstone City
  • cut off at the pass, to
  • go on the block
  • block off