Related Clues:

• Wordless summons
• 'Hey, you over there'
• Note-passer's utterance
• Hissed "Hey!"
• Old rival of Life
• ''Hey, mister!''
• Use one's eyes
• Hissed "Yo!"
• Hushed 'Hey, you!'
• ''Hey, over here''
• ''Ahem!''
• Whispered ''Hey!''
• ''Take a gander!''
• Secretive ''Hey, buddy!''
• Library attention getter