stupiot
someone who is oblivious to the fact that they have done something wrong and don't show any signs of remorse. a person who completely lacks ID!
after leaving his girlfrend stranded for hours while he spent her money and had sex with someone else, upon his arrival, she called him a stupiot!
Stupiotic
Adjective. Combination of stupid and idiotic, used to describe something that is both idiotic and stupid.
The meaning should be obvious to anyone who isn't stupiotic.