Redundatarded 

A derogatory term; a portmanteau of "redundant" and "retarded". Used to describe someone who is acting in an especially retarded fashion.

Did you actually just eat that manure? That was redundatarded.

Redundatarded by Forward_bound June 14, 2010

redundertarded 

A simple cross between the words "redundant" and "retarded"
It is used to describe something which is pointless or unsatisfying. Also for describing things/people you do not like. A mild insult.

"That is redundertarded"
"You are a redundertard."

redundertarded by Coolspot December 14, 2008