noun, plural wil·ly-wil·lies. Australian.

a severe tropical cyclone.

Origin of willy-willy

First recorded in 1890–95; of obscure origin
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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

    Alexander MacDonald

British Dictionary definitions for willy-willy


noun Australian

a duststorm
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