| fair game(expression, person, foolishness, idiocy) |
| fathead(noun, person, foolishness, idiocy) |
| fool(noun, person, foolishness, idiocy) |
| goof(noun, person, foolishness, idiocy) |
| goof ball(expression, person, foolishness, idiocy) |
| goose(noun, person, foolishness, idiocy) |
| half-wit(noun, person, foolishness, idiocy) |
| halfwit(noun, person, foolishness, idiocy) |
| illiterate(noun, person, foolishness, idiocy) |
| innocent(noun, person, foolishness, idiocy) |
| knucklehead(noun, person, foolishness, idiocy) |
| lame-brain(noun, person, foolishness, idiocy) |
| lamebrain(noun, person, foolishness, idiocy) |
| loon(noun, person, foolishness, idiocy) |
| pinhead(noun, person, foolishness, idiocy) |
| prodigy |
| sap(noun, person, foolishness, idiocy) |
| scatterbrain(noun, person, foolishness, idiocy) |
| schlemiel(noun, person, foolishness, idiocy) |
| schnook(noun, person, foolishness, idiocy) |