furphy
/ˈfɜːfɪ/noun
(pl. -ies)
- Austral./NZ informal a rumour or story, especially one that is untrue or absurd〈澳/新, 非正式〉（尤指虚假或荒谬的）谣传, 流言。
词源
First World War: from the name painted on water and sanitary carts manufactured by the Furphy family of Shepparton, Victoria.