A fork of Rural Dictionary
An Antitheist not only lacks a belief in God(s) and the supernatural but also thinks it is our responsibility to undo, and prevent futher, retardation of society caused by the actions of people in the name of their imaginary God(s).
As an Antitheist, it is my duty to the future to tell children that, no matter what anyone tells them, they won't burn in hell for not believing religious nonsense.