not the sharpest tool in the shed

not the sharpest tool in the shed

Not particularly intelligent, witty, or clever. His new boyfriend isn't the sharpest tool in the shed, but he's pretty good looking! I wasn't the sharpest tool in the shed in school, but I still managed to find a profession I loved.
See also: not, sharp, shed, tool
References in periodicals archive ?
He's not the sharpest tool in the shed but Joey Essex knows what really matters to a celebrity boy in a modern world.
Okay, I know I'm not the sharpest tool in the shed, but I need some help here.