Top definition
When someone is incredibly talented at Mario Party. Not just lucky, but has pure, god-like talent.

Also, one who does not pick a woman character. They always lose. Pick a man.

They always win.
Gstache beat me 46 times on Mario Party, he is a Mario Smarty. Fo sho.

I can't believe JBN picked Daisy, he got creamed 46 times; I didn't even have to use my Mario Smarty powers
by JBN Gstache April 25, 2007
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