What is Seanniversary?
1.
A Celebratory Orgy celebrating the anniversary of a new friend being introduced into an established clique.
A group of buds have been an established clique for two or more years, and they allow a new guy in, and after a year of his inclusion, you celebrate his "Seanniversary"
See
Random Words:
1.
A common way to greet people, by pounding your fist to the person you're meeting.
Hey kid, give me a norcal pound.
See norcal, po..