- a severe tropical cyclone
- a whirlwind over a desert
Origin of willy-willyprobably reduplicated, reduplication of willy, altered from whirly, short for whirlwind
- (Australia) Alternative spelling of willy willy: a severe tropical cyclone or dust devil.
(plural willy willies)
- (Australia) A dust devil; a tornado; a tropical cyclone.
From an unidentified Australian Aboriginal language.