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1.
Noun or adjective describing someone who can't read or write graffiti (tags, throw ups and pieces.)
(A woman sees 2 teenagers bombing)

Woman: Why are you doodling on the wall?
Dude 1: We're reclaiming the streets, getting our name up.
Woman: How are these squiggly lines getting your "name" up?
Dude 1: Well it says Clast, cant you read?
Woman: Hunh?
Dude 2: Yo this bitch is graffilliterate!
by Clast November 05, 2009