Related Clues:

• Homeric ejaculation evinced by carrier's return
• Whoops!
• [Headdesk]
• Oaf's cry
• Homer Simpson's exasperated cry
• Homer Simpson's utterance
• Word indicating Homer's blown it again
• Slap-on-the-head cry
• "Oh, of course!"
• Homeric outburst?
• "I'm such an idiot!"
• "Like, no kidding!"
• Cry with a head slap
• ''Thank you, Captain Obvious!''
• Simpson's interjection