Im on campus on my laptop in the bathroom. There's no TP left what do i do?

[Jackson50]

I always carry one of these in my bags when I travel anywhere outside my residence. It is better than toilet paper, and you can can refill it and carry it just about anywhere. It may be a little pricey, but it is well worth it.

http://www.craigmedical.com/Bidet_portable.htm