Related Clues:

• Homo sapiens
• ''Wow!''
• Date or age beginning
• 'Good grief!'
• Dude
• See 27-Down
• See 34-Down
• The human race
• 'Oh, brother!'
• Kin of ''Golly!''
• 'That's really something!'
• ''Oh, my!''
• Game piece
• 'Crikey!'
• Big boy?