1 definition by RBlair

Top Definition
1337 Day historically took place on the 13th of March, 2007 (13/3/7), and was originally not available to American counterparts due to their switching of the month and the day.

The next l337 Day to pass will fall on the 3rd of January, 2037 (1/3/37). Note: only available in America

1337 Day will be celebrated by hax0rs alike around the world.
(Distant Future)
H4x0r: Happy 1337 Day
kid: thanx grampa... here's your bed pan, try to keep it in your pants this time!
H4x0r: Well back in my day... (trails off about previous geekdom...)
by RBlair February 06, 2008

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