A hideous combination of "stupid" and "retard." Such people are commonly found sitting on street-corners casually ingesting cinder blocks. Associating with such people (intentionally or un-) warrants a swift kick in the balls.
"What a stupetard. He's drooling all over my mailbox."

"OMGz0rz ur sUcH 4 s7up3taRd"
by Kirbeth September 22, 2005
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An act so stupid it makes retarded people look smart.
Bush's decision to go to war in Iraq was stupetarded.
by JayCeeDub June 8, 2006
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