Graffiti (plural of graffito) are writing or drawings that have been scribbled, scratched, or sprayed illicitly on a wall or other surface, often in a public place.Graffiti range from simple written words to elaborate wall paintings, and they have existed since ancient times, with examples dating back to Ancient Egypt, Ancient Greece, and the Roman Empire.
~Source "Graffiti". Oxford Dictionaries. Retrieved 2011-12-05. Jump up ^ "Graffito". Oxford English Dictionary 2. Oxford University Press. 2006.