Top Definition
1. someone that ain't acting right

2. something that ain't workin' right
Did you see her gettin' loud in the store and actin' all fuckywacky?

Damn, my Blackberry's actin' all fuckywacky- I can't log in to my Facebook account!
by BeLtBuCk0 February 10, 2010

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

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