What's on your mug?

A large book that existed since the dawn of time. Contains all tricks ever known to man, sorted by date.

You told her you were gay so you'd get closer to her? That's the oldest trick in the book, and won't work either!

By numandina

Facebook. This internet fad has grown to the level of popularity where it does not require distiction from other books, much like Kylie, Beyonce, Bono or Hitler.

Pers1: Are you on The Book? Pers2: What book? Pers1: THE Book. Facebook...? What other book is there?

By Šteggs

To be online Facebook; in the process of checking your Facebook account.

"Dude did you get the message I sent you last night?" "Nah, I didn't get time to check The Book".

By Adam Keet

a slang term for "facebook"

I'll hit you up on the book I'll add you on the book I messaged you on the book

By k8ster

n. The magical object that has made many girls 'chestless' over the years. Refers to females who are 'flat' and have small 'titties,' or breasts due to the undeniable fact that the book has metaphorically fallen on their chest.

Dude, Philly, your girl is fucking tiny. She's got a terrible case of The Book. Man, shut your ass Swan, your girl got the shit beat of her by The Book.

By RobbyRobb LilSwan