Related Clues:

• "Check that out!"
• Right, to Black Beauty
• "Hmm . . ." to Theodore Cleaver
• Word before "whiz" or "willikers"
• ''Son of a gun!''
• Enthusiastic sound
• Back-scratchee's reaction
• "___ willikers!"
• Eye-popper response
• "Unbelievable!"
• 'Good golly!'
• __ and aah
• 'What a display!'
• "___ la la!"
• Palindromic exclamation of admiration