Top Definition
That time of the month, when that time of the month is supposed to happen, but is delayed. This is due to the fact the leap year affected the menstrual cycle.

This can sometimes cause a woman to believe that she is pregnant. When in fact, it is simply the menstrual leap year at work.
Natalie: Ermahgerd, my period is late. I must be prego!

Seanequa: No, Natalie, you are not prego. It is simply a result of the menstrual cycle leap year.
by Sand-nigger Jesus October 30, 2012

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