Wiktionary
porta-potty
n. 1 A portable toilet; a self-contained outhouse. 2 (context UK English) A portable chemical toilet comprised of only the fixture rather than the entire enclosure.
Usage examples of "porta-potty".
The back of the van smelled from when Buchanan had allowed each man to use the porta-potty before he drove to Juana's house.
She was thirty yards from the porta-potty when her senses sounded the alarm.
They had one of them porta-potties for us and the boxes had cold, hard versions of the cakes and sweet stuff they'd fed us back at the farm and a jug of water.
There's water in the cask in back and Dixie cups next to it, and there's cold box lunches and beer in the coolers there, and if you got to go there's a porta-potty in the back.