The yearly celebration or commemoration of the first exchange of texts between two people.
Lisa: you know our textiversary is coming up, right??
Missy: Ooo of course! Last Halloween was when you became my text ho!! How could I forget?!
by BigMissy September 9, 2010
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The anniversary between two individuals that begun texting one another. This can be temporal or numerical.
"You know, this is our 600th text to one another. Happy textiversary!"

"We started texting each other exactly one year ago. Happy textiversary."
by cidrobin March 1, 2010
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