Top Definition
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.

Shanfoolery is often a positive connotation that describes ones mischief.

Antonym: nanfoolery

Hey what type of shanfoolery are you getting into tonight?

I am going to stop this shanfoolery and get myself a burrito.
by Shanfooled again April 25, 2009

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