The writing on the wall?

• Unwanted art
• Wall or sidewalk scrawlings
• The writing on the wall
• Good artist rejected argument current in street art
• "American ___" (1973 coming-of-age film starring Ron Howard)
• Scribblings on the walls of buildings

Wikipedia Word definitions in Wikipedia
Graffiti was a Canadian music magazine in the 1980s. The magazine's primary focus was on Canadian and international alternative music , although it also covered fashion and film . Alastair Sutherland was one of the editors-in-chief of the magazine. In 1985, ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Graffiti \Graf*fi"ti\, n. pl. [It., pl. of graffito scratched] Inscriptions, figure drawings, etc., found on the walls of ancient sepulchers or ruins, as in the Catacombs, or at Pompeii. any writings or drawings on a surface in a public place, placed there ...