The act of getting a book out on the train, tube bus or plane in order to avoid talking to the person next to you. Substitutes include a newspaper, phone or iPod.
Person one: "Blablabla isn't the weather terrible blablabla"
Person two: (gets book out thus giving Person one "The book off")
Person one stops talking.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi