| fathead(noun, person, slang, stupidity) |
| gander(noun, person, slang, stupidity) |
| golem(noun, person, slang, stupidity) |
| goof(noun, person, slang, stupidity) |
| goon(noun, person, slang, stupidity) |
| half-wit(noun, person, slang, stupidity) |
| hammerhead(noun, person, slang, stupidity) |
| hardhead(noun, person, slang, stupidity) |
| humourless person(expression, person, character, humourless) |
| idiot(noun, person, slang, stupidity) |
| ignoramus(noun, person, slang, stupidity) |
| imbecile(noun, person, slang, stupidity) |
| jackass(noun, person, slang, stupidity) |
| know-nothing(noun, person, slang, stupidity) |
| knucklehead(noun, person, slang, stupidity) |
| lamebrain(noun, person, slang, stupidity) |
| loggerhead(noun, person, slang, stupidity) |
| loon(noun, person, slang, stupidity) |
| lump(noun, person, slang, stupidity) |
| lunkhead(noun, person, slang, stupidity) |