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Something that is out of line, messed up, inappropriate, or disorderly.
"I walked into his house, and everything was wick wack. There were clothes all over the floor, dirty dishes on the bed, and bugs everywhere."

"He was acting totally wick wack the other day. He was saying stuff that didn't make any sense. He was so out of line!"
by beenut20 January 22, 2012
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