Related Clues:

• Self-critical cry
• (Facepalm)
• Hand-to-head cry
• Holler from Homer
• Shout from Homer Simpson
• Grunt often heard by Marge
• "Gah!"
• "I'm so stupid!"
• Stupid me!
• Cry after missing something obvious
• Homer's holler
• Homer's 'I'm an idiot!'
• Homer's "I'm an idiot!"
• Verbal facepalm
• [head slap]