Related Clues:

• 'It's not that exciting'
• Word often uttered with a shrug
• 'Dumb, dumb, dumb!'
• Cartoon word said while wincing
• 'Dang it!'
• Unenthusiastic response
• Exclamation from a blockhead
• 'Am I an idiot!'
• Bart Simpson hears it a lot
• Homer Simpson utterance
• Noted cartoon catchphrase
• "Silly me!"
• Response to dropping donuts and so forth
• 2001 OED addition that cites "The Simpsons"
• 'Whatevs'