| Clue | Source | Date |
|---|---|---|
| “Pinky promise me!” | Wall Street Journal | 02 Oct 2021 |
| 'Is that the truth?' | USA Today | 21 Nov 2018 |
| "Is that the truth?" | ||
| Make a solemn vow | The Washington Post | 20 Mar 2016 |
| Give one's oath, slangily | ||
| Give one's oath, slangily | ||
| Make a solemn promise | ||
| "Give me your word!" |