Related Clues:

• Awe-full expression?
• "Sheesh!"
• Certain grownup
• 'Fascinating'
• Simian cousin of a 56-Down
• Briefly near abandoning literary style? I am surprised
• 'Huh, never would've figured'
• "Fat ___ and Little Boy"
• Tag end?
• 'Heaven and earth in miniature,' per a Chinese proverb
• ___-whiz technology
• Symbol of power, with 'the'
• 'The Thin ___'
• 'Well, fancy that!'
• 'Hmm'