| Clue | Source | Date |
|---|---|---|
| Sounded as a pig | ||
| Did a hog imitation | Wall Street Journal | 23 May 2019 |
| Did a hog imitation | ||
| Imitated a straining weightlifter | New York Times | 02 May 2015 |
| Imitated a straining weightlifter | ||
| Uttered a guttural sound | ||
| Went "Ugh!" and "Unh!" | ||
| Acknowledged, but just barely | ||
| Responded unintelligibly | ||
| Said "ugh" |