Book
1) An object full of paper with stuff written on it.
---
2) To run away.
---
3) Cool, because it comes first when texting on a phone with T9 when trying to type cool.
____________________
Ex. 1)
 a: "I heard that book was good."
 b: "This book?"
 a: "Yeah, the one you're using as a coaster right there."
---
Ex. 2)
 "During the party, the cops showed up and everyone started bookin'."
---
Ex. 3)
 "Awesome! That's straight book, dude."