| addlebrain(fool, incompetent, butcher, bungler, bumbler) |
| blockhead(fool, incompetent, butcher) |
| blunderer(fool, incompetent, butcher, bungler, bumbler) |
| bonehead(fool, incompetent, butcher) |
| botcher(fool, incompetent, butcher) |
| bumbler(fool, incompetent, butcher, bungler, fumbler) |
| butcher(fool, incompetent) |
| butterfingers(noun, person, fool, incompetent, butcher) |
| clod(fool, incompetent, butcher) |
| dolt(fool, incompetent, butcher) |
| donkey(fool, incompetent, butcher) |
| duffer(fool, incompetent, butcher, bungler, bumbler) |
| dunce(fool, incompetent, butcher) |
| featherbrain(fool, incompetent, butcher, bungler, bumbler) |
| fool(incompetent, butcher) |
| foul-up(fool, incompetent, butcher, bungler, bumbler) |
| fumbler(fool, incompetent, butcher, bungler, bumbler) |
| goof off(expression, fool, incompetent, butcher, bungler) |
| goofball(fool, incompetent, butcher, bungler, bumbler) |
| harebrain(fool, incompetent, butcher, bungler, bumbler) |