Related Clues:

• 'Over here ...'
• It precedes "Over here!"
• Elided greeting
• 'Over here, buddy'
• ''Just a minute!''
• [Nudge]
• "You, over there!"
• 'How's it goin'?'
• 'Watch it!'
• Audible nudge
• Subtler alternative to "Yo!"
• "I'm talking to you!"
• "Do you want to hear a secret?"
• Utterance before passing a note, maybe
• Covert attention-getter