| Clue | Source | Date |
|---|---|---|
| Roger is upset about American - he complains | ||
| Or urges to become a grumbler (7) | ||
| Person who complains or grumbles | The Telegraph General Knowledge | 15 Aug 2021 |
| One's got beef and game cobbler, finally | The Telegraph Cryptic | 25 Jul 2019 |
| Constant grumbler | The Times Concise | 11 Jan 2017 |
| One who complains | ||
| Chronic griper | ||
| Constant complainer |