instead, of the traditional yearly anniversary, a monthaversary occurs once a month and it is usually celebrated by younger couples who are grateful their relationship has even survived a month
Girl: Gosh I hope he doesn't forget out 5th monthaversary!
n 1: The monthly recurring date of a past event, especially one of historical, national, or personal importance: a relationship monthaversary (monthiversary); the monthaversary of ones birthday (bithday).
2: A celebration commemorating such a date.
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n: the date on which an event occurred in some previous month (or the celebration of it)
In dumb down stupid terms: A monthly anniversary, though usually only used in context for the first 12 months
Today is the 2nd monthaversary of that nasty hurricane that hit two months ago
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.