Related Clues:
- Quiet 'Hey!'
- Muffled ''Hey, you!''
- Discreet call
- Verbal elbow
- Surreptitious attention-getter
- Call to attention?
- Subdued attention-getter
- ... a cheater in class
- Discreet attention-getter
- Sound that may turn heads
- Subtler alternative to ''Yo!''
- Chocolaty drink brand
- It may precede the sharing of a secret
- Subtle "Yo!"
- "Hey!"