Related Clues:

• Surreptitious sound
• 'Check it out!'
• "Hey, Mac!"
• 'Over there!'
• Secretive attention getter
• '___ alive!'
• Fence’s utterance
• 'Hey, over here!'
• Use one's peepers
• "Hey there!"
• Furtive "Hey!"
• "Yo!"
• "Over here," quietly
• "Hey, over here!"
• Way to get noticed