Related Clues:

• Permanently affect for the worse
• Stitch souvenir
• Uglify
• Mark for life
• Smear
• Dye
• One may be taken to the cleaners
• Besmirch
• Reminder of a swordfight
• Detergent target
• Permanent marker?
• Battle memento
• Old Nick
• An unwanted impression
• Taint