Wiktionary
portapotty
n. A portable restroom.
Usage examples of "portapotty".
Gobbets of green flesh flew in all directions and thudded into the sand among the debris of broken tents, fur rugs, silken drapes, gold bangles, contraceptives, pistols and swords, portapotties — all the things that made life in the harsh desert possible.
She had to assume he would begin to worry and start looking for her when she didn't emerge from the portapotty after a few minutes.