Related Clues:

• 'Hey, mister'
• 'Ahem' relative
• 'Yo, dude, what's the answer to #7...'
• "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!'