calendar simpiosis

A phenomenon, although slim, slightly increases the risk of dying on a birthday than any other day of the year.
Dude I hope calendar simpiosis doesn't effect me on my birthday.
by Ack! I'm chocking April 11, 2021
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simpiosis

It's when two people mutually simp each other.
"Peter lives in simpiosis with Orsi"
by nezigizz July 19, 2020
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