| jerk(noun, simple, slang, ability, fool) |
| cretin(noun, person, simple, slang, ability) |
| nitwit(noun, simple, ability, fool, innocent) |
| blockhead(noun, person, simple, fool, innocent) |
| dope(noun, person, simple, ability, informal) |
| ignoramus(noun, person, simple, fool, innocent) |
| halfwit(noun, person, simple, fool, innocent) |
| dullard(noun, fool, jerk, lightweight) |
| twit(noun, simple, fool, innocent, jerk) |
| bonehead(noun, simple, fool, innocent, jerk) |
| clod(noun, simple, fool, innocent, jerk) |
| birdbrain(noun, simple, fool, innocent, jerk) |
| boob(noun, person, simple, informal, fool) |
| dunderhead(noun, simple, fool, innocent, jerk) |
| fathead(noun, simple, fool, innocent, jerk) |
| pinhead(noun, fool, jerk, lightweight) |
| buffoon(noun, simple, fool, innocent, jerk) |
| loon(noun, simple, fool, innocent, jerk) |
| stooge(simple, fool, innocent, jerk, clown) |
| twerp(noun, simple, fool, innocent, jerk) |