Related Clues:

• 'Hey, you over there'
• Note-passer's utterance
• Hissed "Hey!"
• ''Hey, mister!''
• Hissed "Yo!"
• Hushed 'Hey, you!'
• ''Hey, over here''
• Phrase that may be said with a come-hither glance
• ''Anyone home?''
• ''Ahem!''
• ''Check this out!''
• Whispered ''Hey!''
• Secretive ''Hey, buddy!''
• Library attention getter
• Furtive attention-getter