" book off "

 [ "The book off" ]

1: 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.

  * e.g.,  ... Person one: "Blablabla isn't the weather terrible blablabla" 

 [ "Book Off" ]

1: An adjective to refer to something of incredible value. A deal so ludicrous that it makes you wonder how a store could possibly be profiting from selling a product at such a low amount. The term originates from the second hand store chain in Japan known by the same name.

  * e.g.,  ... Person1: 10$ for 30 mint condition volumes of manga!? How is this even possible? 

 [ "Book off" ]

1: When talking to someone on the bus, you say something inappropriate and they lose interest in the conversation.

  * e.g.,  ... Met this girl on the bus today, totally made me book off. 

 [ "Book off" ]

2: They then proceed to get a book out and read it, leaving you thoroughly ignored.

 [ "Off Book" ]

1: When you have memorized all of your lines.

  * e.g.,  ... Girl 1: Are you off book yet?