Related Clues:

• 'Obviously, silly!'
• “Well, that’s obvious!”
• 'Well, ___!' ('It's so obvious!')
• Exclamation uttered with a head slap
• "What was I thinking?"
• "Thanks, Captain Obvious"
• 'I'm such a bozo!'
• Oafish outburst
• "Can't believe I did that!"
• "I think we all know that!"
• 'Oh, that was so obvious!'
• Homer’s cry
• Word that retains its meaning when preceded by 'no'
• Homer's howl
• 'Gah, I'm silly!'