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3.
Point in time marking/remembering the date you got a piece of her ass.
If I remember correctly, March 16th is our 1 month vaginaversary.
by sweetgy June 27, 2009
 
1.
The day of your birth.
August 18 is my vaginaversary
by dakotaben August 22, 2008
 
2.
The anniversary of your sex change surgery.
Me: Hey, on Friday, I will have been post-op for a year.
A friend: Happy Vaginaversary!
by A Transsexual Woman June 28, 2010