| Bats |
| Daft |
| Batty |
| Wacky |
| Crazy |
| Kooky |
| Madcap |
| Cuckoo |
| Screwy |
| Cracked |
| Bonkers |
| Haywire |
| Touched |
| Peculiar |
| Screwball |
| Eccentric |
| Slaphappy |
| Ludicrous |
| Cockamamie |
| Ridiculous |
| Like a kook |
| Harebrained |
| Off the wall |
| Like marzipan |
| Like pralines |
| Like pecan pie |
| Crazy as a loon |
| Like fruitcakes |
| Round the bend? |
| Off one's rocker |
| The __ Professor |
| Like fruit cakes |
| Like a fruitcake |
| Off one's trolley |
| ___ as a fruitcake |
| Like some candy bars |
| The ___ Professor": 1963 |
| Like some chocolate bars |
| The ___ Professor" (film) |
| Mentally unhinged (slang) |
| Like this puzzle's theme? |
| Eccentric — like nougat? |
| Like Jerry Lewis' professor |
| Describing a certain flavor. |
| Like Jerry Lewis's professor |
| Tasting of almonds or cashews |
| Like Eddie Murphy's professor |
| Tasting like almonds or cashews |
| Like a certain cinematic professor |
| With a taste like cashews or pecans |
| The ___ Professor" (Eddie Murphy film) |
| Like a professor played by Jerry Lewis |
| Like a fruitcake, in more ways than one |
| The ___ Professor" (Eddie Murphy movie) |
| The ___ Professor" (Jerry Lewis movie remade by Eddie Murphy) |