Portable Toilet Block

A small portable wooden box used for transporting toiletries. 2A building or other structure (permanent or temporary) containing a number of public toilets, as often found at a school, campsite, sports arena, etc.A portable or mobile toilet (colloquial terms: thunderbox, portaloo, porta john or porta-potty) is any type of toilet that can be moved around, some by one person, some by mechanical equipment such as a truck and crane.