A portable toilet, also known as a 'porta-potty', is a moern, portable, self-contained outhouse manufactured of molded plastic in a variety of colors and are often used as a temporary toilet for construction sites and large social gatherings. Portable toilets are referred to colloquially or sold under such brands as port-a-john, port-o-let, sani-privy, port-a-san, porta-potty, tidy john, John To Go, toi-toi, shit-shack, porta-kybo.