1 definition by hawthorne1234

Top Definition
The celebration of the day of your initial online contact via a dating site, a messenger service, etc etc.
OMG. I've been talking to Bob on match.com for 6 months today! It's our chativersary!!!

Hi SexyBod4238! Happy Chativersary! I got your this online flower bouquet and ecard!!
by hawthorne1234 February 07, 2010

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