Similar to motard. A person that is only lightly retarded. A person a tiny bit on the retarded side.
Sometimes Frank has a lazy eye. It gives off the impression that he's a tetard.
by Jackalman November 11, 2007
A tetard is someone who is a retarded testicle head
"Germans with dark blonde hair and white are tetards"
by stevenqball November 21, 2005