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A combination of two of the greatest words in the English language: shenanigans and tomfoolery. Used in much of the same way as shenanigans yet way more awesome.

Nanfoolery is often a negative connotation that describes ones mischief.

Antonym: shanfoolery
What type of nanfoolery are you getting into tonight?

You guys need to stop that Nanfoolery or else someone is going to get it.
by Nanfooleryman April 25, 2009
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