Related Clues:

• 'I could go for that!'
• ''That's wonderful!''
• He may live in Apt. 1A
• "Holy guacamole!"
• Word of wonderment
• ''Holy smoke!''
• ''That's impressive!''
• Bldg. bigwig
• ''Unbelievable!''
• Amazed audience utterance
• '60s exclamation
• Virtual, perhaps
• Sound before "You're gonna get it!"
• "That's unbelievable!"
• -- -la-la