Top Definition
The quality of being undisciplined, in a crazy state of random disorder, and seemingly out-of-control. See also disorganized, cattywompus, and higgledy-piggledy.
You can hear that the monkeys are all wackyjack during feeding time at the zoo before you even see them, just based on their loud hooting, hollering and screeching.
by 68monkey February 01, 2008

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