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The first ever Urban Dictionary Word of the Day (December 30, 2004).
Number four years are pretty interesting...You should check them out sometime...
by mehhe meh September 08, 2012
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2
A year whose number is divisible by four in which most events that operate on a four year cycle take place, such as leap year, summer olympics, and the United States presidential election.
Y2K was one hectic number four year.
by gateway_gamer January 03, 2004
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