Top Definition
To get married on your birthday.
"Today is Manda Manda's birthaversary, we should take her out and get crunked"
by Haberwife January 02, 2008
A misspelled concatenation of "birthday" and "anniversary", primarily used by illiterate slobs.
Happy Birthaversary to my sweet BFF!
by GrammerCat January 09, 2009
The event created when you are able to get married close to your spouse's birthday. Requiring only 1 (slightly larger) present instead of 2 individual gifts, the birthaversary is considered by some the holy grail in wedding date setting.
This weekend, we will celebrate Becky's birthaversary with a sightseeing trip.
by GrammarGhost September 02, 2015

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