noun (used with a plural verb) Informal.
Origin of willies
noun, plural wil·lies.
verb (used with object), wil·lied, wil·ly·ing.
Origin of willy
Examples from the Web for willies
The little fellows had seen this, and Willies idea was to circle around through the woods and find that 178 stream.Ruth Fielding At Sunrise Farm|Alice B. Emerson
Will it give me the willies if I kiss a cocktail good-bye before I start for that fresh guy, Mulqueen?The Danger Mark|Robert W. Chambers
It is necessary here, perhaps, to explain why we always call our machines "Willies."Life in a Tank|Richard Haigh
It almost gave him the “Willies”, their remote, peculiar sky-glow, as if afar–afar–they were seeing things.Pemrose Lorry, Camp Fire Girl|Isabel Katherine Hornibrook
A guy like me, which has got a real expressive face, could get the willies just looking at them.Hoiman and the Solar Circuit|Gordon Dewey
Word Origin for willies
1896, "spell of nervousness," perhaps from the woollies, a dialectal term for "nervous uneasiness," probably in reference to the itchiness of wool garments.
see under the creeps.