Related Clues:

• 'Look this way!'
• Unimaginative Tinder opener
• 'You take that back!'
• "Sup"
• 'Sup'
• 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!'
• "Watch it, you!"
• "Watch it, I'm standing here!"
• Convo opener
• Upbeat greeting