Related Clues:

• Vandalize
• Mar
• Disfigure
• Scratch
• Emulate a graffitist
• Give bad marks
• Scratch up
• Inflict surface damage
• Scuff up
• Scrawl graffiti on, e.g.
• Cover with graffiti
• Cover with graffiti, e.g.
• Spray graffiti on
• Tag, perhaps
• Draw unwelcome graffiti on