Related Clues:

• 'Holy cow!'
• Mild expletive
• Mild oath
• 'Shucks!'
• Unit of force
• 'Holy mackerel!'
• Golly
• 'I hadn't thought of that'
• 'Eureka!'
• 'So there!'
• Thousand dollars, in slang
• 'Wow'
• Thou
• 'Gotcha'
• 'Holy smokes!'