A phrase used to disambiguate between people living in the
United States and people living in the continents of North or South America, since "
American" can refer to either group of people.
When talking to people who have this phrase in their vocabulary, "United Statesian" always refers to only people living in the
United States, while "American" always refers to people living anywhere in North or South America.
Jack: Dude, Americans are so fucking
stupid.
José: Wtf dude
Jack: Sorry, I meant United Statesians.
José: Oh okay :)