Related Clues:
- Vicar's a kind of card -- turning up as loon?
- Grebe maybe wanting day on water, heading off
- Underwater worker
- Navy specialist
- Snorkel user
- Bird that plunges
- Grebe or Loon
- Summer Olympics competitor
- I'm going under? I have to have doctor around!
- Reef explorer
- Half-gainer performer
- Van Halen "___ Down"
- '82 Van Halen album "___ Down"
- Sunken ship explorer
- Cheating footballer