by Reppin912Son April 9, 2008

Another word for cool, started from mistakenly sending the message book before hitting zero during the act of T-9 messaging.
by DCHphotography September 29, 2010

by Sugargay June 18, 2018

this often occurs when one is texting and is trying to say cool but types in book because of the way the keys are aligned
by azjerbajan cat fighters 4 life October 9, 2008

James acts like he is so Book, it's so embarrasing.
But we all know that Belle and Mel and the Book ones.
But we all know that Belle and Mel and the Book ones.
by sparetimeonmyhands December 18, 2012

by Marcus Ripley September 12, 2009
