Wiktionary
willy-willy
n. (context Australia English) (alternative spelling of willy willy nodot=y English): a severe tropical cyclone or dust devil.
Usage examples of "willy-willy".
She was in a cheap imitation-silk green robe, her bright red hair awry, like a small fire caught in a willy-willy, and last night's make-up was a tear-molten mask.