Top Definition
n. something crazy, weird, out of the ordinary, interesting, wicked cool, strangly awesome

adj. the appropiate discriptive response to a crazy, irregular, nifty cool, etc, action

v. to be crazy, wacky, hillarious, etc
that jackass is wacky mcnacky.
did u see that happen, it was wacky mcnacky
i dont know what was his major malfunction was but he was acting all wacky mcnacky today,
by snail February 10, 2004

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