Generally a girl that likes to draw, paint, or any type of art. They wear trendy or unique style clothes, sometimes lots of black and dyed hair. They are usually quiet, however, if you get to know them you will not regret it. Also they are extreme fangirls.
Ashley: “Woah! Who drew that?”
Sam: “The girl with the fishnet leggings”
Ashley: “oh of course, the art girl“
The statement that the attempt to convey meaning through representation has run its course, and cannot be improved upon, only repeated like a ritual in a vain attempt to recreate the original feeling of "novelty"
Also, could refer to an actual person named Art, who is now deceased.