oikomania, oikiomania, oicomania 1. A mental disorder caused by some kind of wretched or abusive domestic circumstances. 2. An obsessive craving or desire to be at home or a morbid attitude toward the members of one`s family.ecomania, oikomania In psychology, a mental attitude whereby one is hostile and domineering toward one’s own family but who is submissive to those in an outside authority.