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A religious person, usually a fundamentalist, whose retreat into a fantasy world of religious delusion causes them to exhibit behavior which may be interpreted as profound mental retardation.
Q: Why is that glassy-eyed person looking up to the sky with outstretched arms and babbling incoherently?

A: Because he's a religiotard.
by Carlos Von Bjornsson April 02, 2006
The term used to describe a religious-retard who is closed to the views and opinions of others, and who also voices their own opinions as fact; whilst commiting crimes against human intelligence in the name of religion.
( henke37 ) Im a christian through and through, god owns you.
( scenestar ) I concur henke37, god is indeed ownage.
( lolage ) Damn religiotards.
( xenon ) Religitards make baby seals cry.
by andysnare February 17, 2009