a term used when you are so obsessed with someone that you are tweeting, texting, and facebooking them all at the same time, and successfully
"I have been sitting in this library for almost three hours now trying to do research, but I have been way to busy twextbooking Amanda & Sara to actually get anything accomplished."
A person that sends text messages that are too long and detailed and require recipient to spend a considerable amount of time reading. Often in response to a very simple and short text
OMG, Tia is Textbooking me again. Gonna spend my entire night reading her messages.