Scrawl on a wall

• A rude decoration inscribed on rocks or walls
• Writing on the wall
• Scribblings on the walls of buildings
• Writings on a bridge, e.g
• Wall or sidewalk scrawlings

WordNet Word definitions in WordNet
See graffito

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, ...

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: