Related Clues:

• Caroler's ''Listen''
• "Sup"
• 'Sup'
• As a poet might say - listen to duets from Turk's Head
• Boring Bumble opener
• 'Yoohoo!'
• 'What do you think you're doing?!'
• Casual email opener
• Fellow Yankee’s call for attention
• 'Hands off, that's mine!'
• 'Listen,' quaintly
• "Watch it, you!"
• "Watch it, I'm standing here!"
• Convo opener
• Upbeat greeting