a synonym of the word cool. Due to "T9" text messaging. After numerous attempts to respond with the word cool, t9 always chooses book first. Resulting in a response such as "thats book" when meaning "thats cool". It sounds good so i started to adopt it in everyday speak, and it caught fire like a dry forest in california.
by aTv November 17, 2006
by iamadinosaur April 12, 2016
A person that is a complete and total hoe, slut, trick. This is so u dont have to say wat all him/her is.
by LAiNA--BOO July 29, 2006
-*Mindlessly has xQcOW's stream on 3rd monitor*
-"BOOK BOOK BOOK!" suddenly screams through your headphones as xQcOW sees a second book appear in the slots, just before he is inevitably disappointed when a third book doesn't appear.
-*Ears ring from the tinnitus you now have*
-"BOOK BOOK BOOK!" suddenly screams through your headphones as xQcOW sees a second book appear in the slots, just before he is inevitably disappointed when a third book doesn't appear.
-*Ears ring from the tinnitus you now have*
by jmaddyboiii April 25, 2021
by BANi June 12, 2006
by A.D.D. LIBRARIAN August 02, 2011
Example; "Jane knew she was going to be late for class, she knew her only chance to make it was to start booking it!"
by DUECZ February 07, 2018