Scribblings on the walls of buildings

• Good artist rejected argument current in street art
• The writing on the wall?
• Scrawl on a wall

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:

WordNet Word definitions in WordNet
n. a rude decoration inscribed on rocks or walls [syn: graffiti ] [also: graffiti (pl)]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1851, for ancient wall inscriptions found in the ruins of Pompeii, from Italian graffiti, plural of graffito "a scribbling," a diminutive formation from graffio "a scratch or scribble," from graffiare "to scribble," ultimately from Greek graphein "to scratch, ...