Unwanted art

• The writing on the wall?
• Scrawl on a wall
• Government service ready with independence in writing
• "American ___" (1973 coming-of-age film starring Ron Howard)

WordNet Word definitions in WordNet
See graffito

Wikipedia Word definitions in Wikipedia
Graffiti is writing or drawings scribbled, scratched, or sprayed illicitly on a wall or other surface in a public place. Graffiti may also refer to:

Wiktionary Word definitions in Wiktionary
n. 1 (context chiefly uncountable English) A form of vandalism involving painting text or images in public places. 2 (context chiefly uncountable English) A form of art involving painting text or images in public places. 3 (context archaeology countable ...