OPtard
When an absolute retard has an opening post so mentally deficient of any sense, logic or reason, for example,
Flat Earther: "gravity isn't real and the earth isn't a globe, satellites are fake, it's the NWO trying to destroy the church".
Normal people: "what a total OPtard".
Normal people: "what a total OPtard".
optard
A person that does not understand how optics work.
"That guy thinks the ground and sky are physically touching on the horizon when it's due to the lenses we view that through being curved, what an optard"