can’t hit the broad side of a barn

can't hit the (broad) side of a barn

slang Has very poor aim. Boy, you can't hit the broad side of a barn—the net is over here, you know! These guys haven't made a single basket in the last 10 minutes—they just can't hit the side of a barn right now.
See also: barn, hit, of, side
Farlex Dictionary of Idioms.

can’t hit the (broad) side of a barn

tv. cannot aim something accurately. You’re way off. You couldn’t hit the broad side of a barn.
See also: barn, broad, hit, of, side
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • can’t hit the side of a barn
  • can't hit the (broad) side of a barn
  • can't hit the broad side of a barn
  • can't hit the side of a barn
  • couldn't hit the side of a barn
  • barn
  • broad as a barn door
  • (as) broad as a barn door
  • take aim (at someone or something
  • take aim at somebody/something