Related Clues:

• 'Whoo-ee!'
• "Wow"
• ''You da __!''
• 'Well, that beats all!'
• Word of surprise
• See 91-Across
• Bishop or rook
• "Gosh!"
• "Oh, brother!"
• Impressed one's remark
• ''The Running ___'' (1987)
• ___ of his word
• Big finish?
• Common exclamation
• 'Who'd a thunk it?!'