noun, plural wil·ly-wil·lies. Australian.
a severe tropical cyclone.
Origin of willy-willy
First recorded in 1890–95; of obscure origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for willy-willy
Historical Examples of willy-willy
Evidently he had just arrived in White Cliffs, and had not yet been in a willy-willy (sand-storm).In Search of El Dorado
obsolete a tropical cyclone
Word Origin for willy-willy
from a native Australian language
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012