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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.