Related Clues:

• "Yoo-hoo!"
• 'What's the big idea?'
• 'Whoa there!'
• Hushed 'hey!'
• 'Hey, look over here!'
• Attention-getting utterance
• ''Watch where you're going!''
• Secretive call for attention
• [You over there!]
• Noise used to attract someone's attention privately
• 'I'm talkin' to you!'
• 'Watch it, mister!'
• Sound uttered by the secretive
• "Hey ... over here"
• Secret-spilling intro