| Answer | Crossword Clue |
|---|---|
| DIALTONE | Sound of the open line. |
| DIALTONE | Open line indicator |
| WHENITSAJAR | Open-door joke's punch line |
| BOTTOMLESSPINOT | Promo line for an open wine bar? |
| AAH | "Open wide" sound |
| AAH | Mouth-open-wide sound |
| PSST | Sound before "Your fly's open" |
| AHEM | Sound before "Your fly is open" |
| AHEM | Sound before "Your, um, fly is open" |
