| haywire(adjective, crazy, mad, ill) |
| jerk(noun, slang, mad, ill) |
| knee-jerk(noun, slang, mad, ill) |
| screwy(adjective, silly, foolish, crazy) |
| trainwreck(noun, slang, mad, ill) |
| wacko(noun, adjective, mad, ill) |
| loom(noun, slang, mad, ill) |
| brain-sick(adjective, mad, ill, insane) |
| coo-coo(noun, slang, mad, ill) |
| crack-brain(noun, slang, mad, ill) |
| crack-brained(adjective, mad, ill, insane) |
| crack-skull(noun, slang, mad, ill) |
| fruit-cake(noun, slang, mad, ill) |
| goo-goo(noun, slang, mad, ill) |
| goof(noun, slang, mad, ill) |
| mishoogeh(noun, slang, mad, ill) |
| mishugah(noun, slang, mad, ill) |
| nougat(noun, slang, mad, ill) |
| screw-loose(noun, slang, mad, ill) |
| weener(noun, slang, mad, ill) |