Top definition
A word that is the same format as the word racism which in analogy describes a certain subculture of users in an app or website that is having or showing the belief that a particular website is superior to another.

This word began when the user @miserable of the app Vent posted about being siteist.
@miserable explained that the users from the website ExperienceProject were being treated like Syrian refugees by some users in the Vent app.
I can't decide which is better between Vent or ExperienceProject because these siteists all have confusing opinions.
by manchildadult July 09, 2016
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