| Clue | Source | Date |
|---|---|---|
| Routine part of a routine | New York Times | 20 Aug 2021 |
| Something old | Universal | 17 May 2019 |
| Something old | ||
| Groan elicitor | The Washington Post | 03 Sep 2017 |
| Groan elicitor | LA Times Daily | 03 Sep 2017 |
| Groan elicitor | ||
| It's not very funny anymore | New York Times | 03 Oct 2015 |
| Chestnut | ||
| It's not very funny anymore | ||
| Chestnut | ||
| Chestnut |