| asshole |
| boner(noun, slip, failure, fault, mistake) |
| botch(noun, verb, mistake, indiscretion, blunder) |
| bust |
| dupe(noun, mark, fool, sap, sucker) |
| erratum(noun, slip, fault, mistake) |
| fathead(noun, simple, fool, innocent, jerk) |
| flub(noun, failure, mistake, indiscretion, blunder) |
| fumble(noun, verb) |
| howler(noun, slip, failure, fault, mistake) |
| imbecile(noun, simple, fool, innocent, jerk) |
| indiscretion(noun, mistake, blunder, gaffe, transgression) |
| mammilla |
| mug(noun, sucker, chump) |
| nitwit(noun, simple, fool, stupid, innocent) |
| oaf(noun, simple, bear, fool, innocent) |
| oversight(noun, slip, failure, fault, mistake) |
| papilla(noun, convexity) |
| patsy(noun, informal, guy) |
| schlemiel(noun, mark, simple, informal, fool) |