Top Definition
it means you are an easy person to know.
like reading an open book, you can read what the person is thinking or feeling.
Jenny: I like you Forest. Do you like me?
Forest: Well, I...
Jenny: You don't have to say it, you're an open book.
by shinviroz February 05, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×