A person that acts EXACTLY as how the media depicts people living in the inner city community. Unlike "a textbook case of ghettoism," textbook ghetto is usually seen in teens that are living in suburbs or upper high class neighborhoods who have never stepped foot in a ghetto; and is mostly the exaggerated version of the actual, since the media distorts reallity.
Chris: Hey! Why is John wearing extra baggy pants below his wang, Air Jordans, long plain white t-shirt, and a big cap?
Neal: Damn it! He must've caught that bug that's going around: textbook ghetto.