can't find one's butt with both hands in broad daylight
can't find (one's) butt with both hands in broad daylight
rude slang Cannot do the simplest task. Please don't put Randy on the construction team—that guy can't find his butt with both hands in broad daylight!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
can’t find one’s butt with both hands (in broad daylight)
tv. is stupid or incompetent. (Mildly objectionable.) Why did they put Jim in charge? He can’t find his butt with both hands!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.