monopolygamy 

one controlling factor to all aspects of a polygamic relationship.

There is a certain lack of disclosure when dealing with a monopolygamy.

monopolygamy by Tyler Swanson June 8, 2003

Monopolyamorous 

The desire to have sexual intercourse with everyone on Earth of the opposite sex and/or the same sex.

I have this fantasy where every man on earth dies so I can have sex with all the women by default because I am monopolyamorous.

Monopolyamorous by escpolnik May 24, 2014