Related Clues:

• 'This means ___!'
• Conversation starter
• 'Oh, ___!'
• 'Yo!'
• Thou
• 'Land ___!'
• 'Look here!'
• Attention-getter
• Hail, on the briny
• Hey there, at sea
• Crossword fan, presumably
• Second person
• See 28-Across
• 'Hey there!'
• Mate's call