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Also known as: Peter Pan Day, Geoffery Day, IDWGU Day.

Not to be confused with traditional Sunday Fun days.

Or Festivus festivities.

Originally celebrated 2011 in Milwaukee WI this is a day in which all members of a particular social pond break from otherwise responsible life styles to enjoy a day of no cares worries or responsibilities. These days generally include mistaken time zone recognition as 5 O'clock is observed with breakfast lunch and dinner.
My boss just told me Im working through the weekend, I cant wait for twiderpation day!

Twiderpation Day was so awesome I totally forgot I was in WI!!!
by Peter Banning April 03, 2011