Top Definition
(n.) A year where Febuary has 29 days. This is because the earth actually takes 365.24 days to orbit the sun completely. This figure is rounded to 365.25, so after four years, we have to add an extra day. However, since it is actually a little less than a whole day, every 100 years we will be a day ahead. There are 10 leap years in 100 years, and hence, we must miss one of these years. This was last done in 1900, and shall next be done in 2100, hence, it is unlikely many of us will live to see the next one, unless this definitions is still here (along with urbandictionary of course!) in many years' time.
1) Every year divisible by four is a leap year (1996,2000, 2004);

2) Unless it is also divisible by 100 (1700, 1800, 1900, 2100).


3) However, if a year is divisible by 4, 100 and 400, it is a leap year (1600, 2000, 2400)
додав Kung-Fu Jesus 06 Травня 2004

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The best birthday next to christmas, Its on February 29 and only the sexiest people on earth were born on this day, it comes only once every 4 years, the years it doesnt come we usually celebrate it on March 1st or February 28th.
Sandy: Hey whens your birthday??
You: February 29, leapyear bitch!
Sandy: OMG you rock my sox
додав John Nimz 07 Травня 2007

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If the days in a year were personified, Febuary 29th would be a hipster. Existing in each year is too mainstream for this day, and so it only shows itself every 4 years.
Date: Febuary 29th 2016 - leap year

Feb 28th: hey, 29th, havent seen you in a while

Feb 29th: yea, I know. 2015 was like soooooo last year...
додав Xtra Happy 09 Серпня 2016

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