Not The Sharpest Pencil In The Drawer Edit Meaning

1.

a clever euphamism for someone who lacks intelligence

see also a few bricks shy of a load, not the brightest bulb on the porch

Seth - "Did you hear about Werner? He tried to start his car with lighter fluid."

Taylor - "I'm not surprised; he's not the sharpest pencil in the drawer."

See dumb, ignorant, stupid, lamebrain, idiot