Possible Clues:

• Hangnail, e.g., in totspeak
• 'Ooh, dat hurt!'
• What weak little babies might call a slight injury that I would think nothin gof
• Scrape, in toddler talk
• Baby boo-boo
• Injury, to a tot
• 'I've got a boo-boo ...'
• Boo-boo, to tots
• Source of pain, in kidspeak
• Abrasion, to a tot