Related Clues:

• Word before whiz
• End of the beginnings of 17, 20, 51, 55-A and 19, 25-D
• "Holy moly!"
• 'Whillikers!'
• Isle of --
• 'I don't know' lead-in
• Everyone ever, phallocentrically
• It forms a superhero when added to the start of the answer to each starred clue
• "Imagine that!"
• ''I'll be a monkey's uncle!''
• ''___ willikers!''
• “Holy cow!”
• 'Phew!'
• "No fooling!"
• ''Hmm, I don't know''