| Clue | Source | Date |
|---|---|---|
| Sent up a flare | ||
| Gave a cue to | ||
| Gave the nod to | Newsday | 07 Jun 2019 |
| Used the turn blinker | The Washington Post | 26 Oct 2016 |
| Indicated a turn | Universal | 19 Jan 2015 |
| Indicated a turn | ||
| Used semaphore | ||
| Gave the high sign, say | ||
| Gave the high sign | ||
| Indicated a turn | ||
| Indicated | ||
| Wigwagged. |