Simple past tense and past participle of graffiti.(verb)
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Use "graffitied" in a sentence
"Gee, I wonder how those four daughters -- or the other families who have reported derogatory terrorist-related terms graffitied on their Tinley Park property -- feel about Tinley being the "Best Place in America to Raise Kids.""
"At Gray's first show at the Mudd Club, the band huddled in front of a bare lightbulb "as if it were some kind of fire," Mr. Holman said, with a backdrop of graffitied gray photo paper."
"It's easy to romanticize the socialist ideals graffitied on every concrete wall, because generosity seems to be contagious."