can't find butt with both hands

can't find (one's) butt with both hands

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!
See also: both, butt, find, hand
Farlex Dictionary of Idioms.

can't find one's butt with both hands (in broad daylight)

Sl. is stupid or incompetent. (Use caution with butt, which is often considered crude.) Why did they put Jim in charge? He can't find his butt with both hands! Tom: Jane seems like a bright girl. Bill: You've got to be kidding! She couldn't find her butt with both hands in broad daylight!
See also: both, butt, find, hand
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • can’t find one’s butt with both hands
  • can't find (one's) butt with both hands
  • can't find (one's) butt with both hands in broad daylight
  • can’t find one’s butt with both hands in broad daylight
  • get your butt over here
  • Get your butt over here!
  • butt in
  • (one's) butt is on the line
  • clip a butt
  • butt