A combination of the words "shit" and "sabbatical." When you have to take a crap and you know it will take a while and you requires some form of entertainment while doing your business. When going "on shibbatical" one might take a laptop, telephone, book, homework assignment, magazine, gameboy, or perhaps a portable television.
"Hey John O, where are you going with your laptop?"
"Dude, I ate a shitload of taco bell earlier, I'm going on shibbatical."
she is funny, smart, sweet, creative and sarcastic she loves to make people laugh more than anything her sense of humor is amazing and she looks, even more, as nice as she sounds she wouldn't be kind when you trigger her but she always sees the good in people and can't stand when someone is sad if you see a shibani keep her
everything nice comes with shibani she is protective of her friends and would kill if anyone hurts someone she loves she is not of those people who whose going to sit around when someone is getting bullied is she tells you she is going to bbe there with you for life she fucking never going to leave you if someone treats you like shit she is going to be the one to beat that person up for you