Related Clues:

• G
• 'Hmm, I don't know!'
• 'You don't say!'
• 'Wow!'
• 'Fancy that!'
• 'My word!'
• 'Golly!'
• Go right
• 'Oh wow!'
• 'Holy Toledo!'
• 'Gosh!'
• 'I didn't know that!'
• Cousin of 'hmmm!'
• 'My stars!'
• 'Heavens!'