What is "physog"

Usage examples of "physog".

The mountebank, steeped in sweat and fear and gore, had to juggle all this in his mind for this long twelve minutes of his life, buoyed only by the thought that he was making sixty pounds from it, except that only thirty had been paid, with the residue collectable when the new teeth had stayed firm and splendid in Mistress Wimbarton's physog for a week.