| Clue | Source | Date |
|---|---|---|
| Daft | LA Times Mini | 12 Dec 2023 |
| Bonkers | Universal | 16 Nov 2023 |
| Cockamamie | New York Times | 13 Jul 2021 |
| Bananas | Wall Street Journal | 27 May 2021 |
| Daft | New York Times | 09 Apr 2021 |
| Bonkers | Wall Street Journal | 20 Jan 2021 |
| Loony | Wall Street Journal | 09 Dec 2020 |
| Completely preposterous | Wall Street Journal | 14 Oct 2020 |
| Insane, as a scheme | The Washington Post | 08 Sep 2020 |
| Crazy as a loon | USA Today | 08 Nov 2019 |
| Loopy | Wall Street Journal | 10 Aug 2019 |
| Bonkers | New York Times | 29 Jul 2019 |
| Bonkers | ||
| Loopy | ||
| Wack | New York Times | 11 Feb 2018 |
| Bonkers | Eugene Sheffer | 12 Jan 2018 |
| Wack | ||
| Batty | Thomas Joseph | 12 Aug 2017 |
| Eccentric | LA Times Daily | 12 Jul 2016 |
| Plumb crazy | The Washington Post | 21 Apr 2016 |
| Crazy as a loon | ||
| Eccentric | ||
| Cuckoo | The Washington Post | 11 Nov 2015 |
| Bonkers | ||
| Cuckoo | ||
| Bananas | ||
| Cracked | ||
| Unhinged | ||
| Crazy as a loon | ||
| Loony | ||
| Bats | ||
| Bats | ||
| Bonkers | ||
| Off one's rocker | ||
| Bonkers | ||
| Off one's rocker | ||
| Plumb crazy | ||
| Crazy | ||
| Bonkers | ||
| Wacky | ||
| Kook | ||
| Wacky | ||
| Loony | ||
| Bonkers | ||
| Crackers | ||
| Cracked | ||
| Bananas | ||
| Wacky | ||
| Loony | ||
| Bonkers | ||
| Beyond batty | ||
| Crazy | ||
| Batty | ||
| Off one's rocker | ||
| "Crackers" | ||
| Loony | ||
| Cuckoo bananas | ||
| Crackers |