pl. of graffito.

( used with a plural verb ) markings, as initials, slogans, or drawings, written, spray-painted, or sketched on a sidewalk, wall of a building or public restroom, or the like

These graffiti are evidence of the neighborhood's decline.

( used with a singular verb ) such markings as a whole or as constituting a particular group

Not much graffiti appears around here these days.

noun

cave painting , defacement , doodles , scribbling