An adjective used to describe a foolish or
stupid person. It may sometimes be used in a serious context but is generally utilized as a playful insult. It is aslo a "
politically correct" way of calling someone a "retard". The word came into useage by way of a lyric in an Ian Erix song and is
reportedly an acronym for Un-Non-Tard ("Tard" having been derived from the word "Retard").