| Clue | Source | Date |
|---|---|---|
| Have one's jeans zipper open, slangily | ||
| Move so as to evade detection, in a way | New York Times | 10 Dec 2022 |
| Come in under the radar, say | New York Times | 18 Oct 2015 |
| Come in under the radar, say | ||
| Avoid radar detection | ||
| Proceed so as to avoid radar detection |