| halfwit(noun, simple, fool, innocent, jerk) |
| twit(noun, simple, fool, innocent, jerk) |
| clod(noun, simple, fool, innocent, jerk) |
| disorganised person |
| dullard(noun, fool, dolt, ignoramus) |
| dumbbell(noun, fool, stupid, sap, idiot) |
| cretin(noun, simple, slang, ability, fool) |
| birdbrain(noun, simple, fool, innocent, jerk) |
| pinhead(noun, idiot) |
| chump(noun, fool, stupid, sap, jerk) |
| donkey(noun, imbecile, dolt) |
| loon(noun, simple, fool, innocent, jerk) |
| nerd(informal, call, noun, person, fool) |
| numbskull(noun, imbecile, dolt) |
| sap(noun, person, simple, fool, stupid) |
| stupid(noun, adjective, fool, foolish, sap) |
| buffoon(noun, simple, fool, innocent, jerk) |
| dim-wit |
| doofus |
| fathead(noun, simple, fool, innocent, jerk) |