Top Definition
To get married on your birthday.
"Today is Manda Manda's birthaversary, we should take her out and get crunked"
#birthday #anniversary #birthanniversary #b-day #annual
by Haberwife January 02, 2008
A misspelled concatenation of "birthday" and "anniversary", primarily used by illiterate slobs.
Happy Birthaversary to my sweet BFF!
#birthday #anniversary #misspelled #illiterate #slob
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.
#birthday #anniversary #birthiversary #celebration #party
by GrammarGhost September 02, 2015
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