What does ardtard ard-tard mean?

ardtard ard-tard meaning in Urban Dictionary

such as acknowledged from Southpark Episode "have sex, perhaps not Warcraft", where Stan calls their dad an Ardtard for unsure about warcraft, and MMORPGs.Usually discussing an individual of lower wits, closely about a retard, an uninformed idiot. An amusing bufoon, whoever foolish antics, though entertaining are tainted with private shame.