| dunce(noun, simple, fool, stupid, innocent) |
| fall guy(noun, expression, idiom, fool, sap) |
| gaffe(noun, mistake, indiscretion) |
| jerk(noun, simple, fool, innocent, clown) |
| nipple(noun, convexity) |
| teat(noun, convexity) |
| boo-boo(noun, slip, failure, fault, mistake) |
| bloomer |
| blooper(noun, failure, mistake, indiscretion, gaffe) |
| chump(noun, person, mark, fool, stupid) |
| dolt(noun, person, simple, informal, fool) |
| idiot(noun, simple, fool, stupid, innocent) |
| lapse(noun, slip, failure, fault, mistake) |
| moron(noun, person, simple, informal, fool) |
| pap(noun, convexity) |
| pinhead |
| sap(noun, mark, simple, fool, stupid) |
| simpleton(noun, simple, informal, fool, stupid) |
| solecism(noun, slip, fault, mistake, indiscretion) |
| sucker(noun, mark, simple, fool, innocent) |