Cogg would suddenly stand stock still. "Listen," he would say. Some feeble quack would be heard from the willow beyond the pond. "That's an easy one to tell. The frog-pippit." Then he would add, As a safety measure, "As I believe they call it in these parts."
Stephen Potter (1962). “Three-upmanship: The theory & practice of gamesmanship: Some notes on lifemanship [and] One-upmanship”