Related Clues:

• Kin of 'Psst!'
• 'What's up?'
• Outkast "___ Ya"
• Attention-getting Mitchel Musso song?
• Attention getting e4xpletive
• Laid-back greeting
• Shout of protest
• Alternative to 'Psst!'
• 'Hey there'
• 'That can't be right!'
• "Yo"
• Not-so-subtle summons
• Pray I have in part returned greeting
• A way to say "hello"
• A way to say ''hello''