Clue | Source | Date |
---|---|---|
Reference in a film that might be hard to notice on first watch | ||
Wily affirmative gesture | ||
Surreptitious assent | LA Times Daily | 28 Jun 2024 |
Surreptitious gesture with the head | New York Times | 29 May 2023 |
Subtle signal that might accompany a wink | New York Times | 30 Aug 2022 |