1 definition by Cassistoocoolforyou

Top Definition
1.An anniversary every month instead of every year.
2. Celebrating the day of something by months
Stephanie: "hey, whats the date?"
Cassidy: "Oh! its april 5th! its also my monthaversary!"
Stephanie: "Oh thats cool. How long have y'all been dating now?"
Cassidy: "23 months!!!"
by Cassistoocoolforyou April 28, 2011
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