open the books

reveal the inner workings of a project or company to a prospective new partner.

Anytime Mr Johnson wanted to open the books and initiate a new member, he, alone, didn't need the others' approval.

book-up

Hooking up with an "old friend" for a booty call via Facebook.

I friended Jenny last week and I've been trying to book-up for the last three days.

book out

to go, to leave,

I'm going to book out of here. He is booking down the road in that truck. I'm gonna' book out of this job.

let's book

Let's get out of here.

This is a lame party, let's book.
The police are on the way, let's book.
That dog is going to attack us, let's book.

book on pod

An audio book played on an iPod

Damn dude, hold it down! I'm listening to a book on pod!

booking the cooks

The process of visiting an Urban Dictionary page daily, rating your definition at 5, and everyone else's at 1, so that your definition appears on top.

Nobody else has a defintion for this, so I won't have to book the cooks this time.

Hook and book

A slang term from cops meaning arresting someone. Hook is handcuffing someone and book is booking them in jail.

Paul: I got pulled over for my 5th speeding ticket this morning.

Mike: Damn, Dude! I'm surprised the cop didn't hook and book you right there.

Paul: Man I wouldn't survive in prison.