- The definition of wiggy is slang for someone or something wild and crazy or over the top.
An example of wiggy is Lady Gaga's fashion.
wiggy definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
wiggy definition by American Heritage Dictionary
adjective wig·gi·er, wig·gi·est Slang
Excited, eccentric, or crazy, especially in reaction to something: “Movies invariably get wiggy when they deal with adultery” (Ty Burr).