Related Clues:

• Sound before "Yeah, you!"
• Whispered exclamation
• One-third of Fat Albert's catchphrase
• [Over here!]
• ("Hey you ...")
• ''Sup'
• 'Hey, over here!' hiss
• Low "Yo!"
• "Hey, over here!" hiss
• Whispered "hey"
• Hushed ''Hey, you!''
• Tip preceder, maybe
• "Ahem!" relative
• Cheater's utterance
• With 78 Across, brusque greeting