Related Clues:
- Discreet utterance
- Attention-grabbing sound
- "Hey," the quiet way
- Secret indicator
- Whispered ''Hey you!''
- Alternative to being tapped
- 'Hey, you'
- 'Hey ... you'
- "Hey, buddy!"
- Sibilant sound to attract attention furtively
- Sound of call to hear a secret
- Whispered exclamation to attract attention
- Sibilant whisper to attract attention
- Sibilant interjection to call attention
- Sibilant sound made to attract attention