Wall or sidewalk scrawlings

• Scrawl on a wall
• Good artist rejected argument current in street art
• Writings on a bridge, e.g
• Wall scrawl
• Unwanted art
• The writing on the wall?

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, ...

WordNet Word definitions in WordNet
See graffito

Wikipedia Word definitions in Wikipedia
Graffiti (plural of graffito : "a graffito", but "these graffiti") are writing or drawings that have been scribbled, scratched, or painted illicitly on a wall or other surface, often within public view. Graffiti range from simple written words to elaborate ...