DOLTS

Simpletons

• Airheads

• Birdbrains

• Blockheads

• Boneheads

• Chowderheads

• Clods

• Dimbulbs

• Dimwits

• Dull chaps.

• Dunces

• Dunderheads

• Featherbrains

• Foolish fellows

• Fools

• Half-wits

• Idiots

• Ignorant fools

• Knuckleheads

• Lamebrains

• Lunkheads

• Meatheads

• Morons

• Noodleheads

• Not exactly Einsteins

• Not the sharpest knives in the drawer

• Numskulls.

• Oafs

• Schmoes

• Yo-yos