| Jerk |
| Dolt |
| Fool |
| Idiot |
| Dummy |
| Dimwit |
| Doofus |
| Nitwit |
| Asshat |
| Buffoon |
| Dum-dum |
| Dullard |
| Lackwit |
| Dim bulb |
| Imbecile |
| Lunkhead |
| Dummkopf |
| Numskull |
| Dumbbell |
| Peabrain |
| Blockhead |
| Simpleton |
| Numbskull |
| Ignoramus |
| Lamebrain |
| Birdbrain |
| Dim-brain |
| Pea-brain |
| Dunderhead |
| Nincompoop |
| Stupid one |
| Obtuse one |
| Empty head |
| Thick sort |
| Chowderhead |
| Knucklehead |
| Chucklehead |
| No-brainer? |
| No Einstein |
| Witless one |
| Idiotic one |
| Witless sort |
| Slow thinker |
| Oligophrenic |
| Dimwitted one |
| Mental midget |
| Foolish person |
| Andalusian city |
| His I.Q. is low |
| One of low I.Q. |
| Slow-witted one |
| Slow-witted sort |
| He's no Einstein |
| Genius' opposite |
| City in Argentina |
| Slow-witted person |
| City ESE of Sevilla |
| Buenos Aires suburb |
| His I.Q. is 50–70 |
| One with a low I.Q. |
| An Einstein he's not |
| Egghead's antithesis |
| Suburb of Buenos Aires |
| U.S. air base in Spain |
| Unlikely brain surgeon |
| Definitely no Einstein |
| City near Buenos Aires |
| City SW of Buenos Aires |
| Example of oligophrenia |
| Alfred E. Neuman, for one |
| Rear view? (or ... dummy) |
| Intellectually challengedone |
| Definitely not a rocket scientist |
| Anyone who disagrees with me," in a saying |
| Like someone who can't even get the right answer to this simple clue!!! |