The state of re-entering a Facebook thread after a considerable delay, at which point responses to queries within the thread seem random and irrelevant because the thread moved on long ago.
Hema couldn't stop latebooking after other peoples' comments about food choices seemed inapropos.
Daniel, so entranced in the intensity of the conversation, ignored his aunts' latebooking.
Heidi participated in latebooking so often, she often was at a loss of words when people tried to talk to her about the current conversation.
To continuously talk crap about someone, or post song that are directly pointed at someone. Most hatebooking actions are done in a very passive aggressive manor so as to be able to skit blame whenever possible.
Ie: Bob had sex with Becky a few times. Becks then said she didn't want to have sex whit Bob anymore. Bob then began posting things like "you are acold hearted bitch and I feel sorry for anyone who gets close to you" on facebook. This is called hatebooking