Noun, adjective. The national name for the citizens of the United States of America. Not American, which means from America, the continent

Luca: Ezekiel, what think you about the United Statesian Occupation in Iraq?
Ezekiel: Mmmm... easy to say. A big split-up by an avaricious and selfish man, thus, George W. Bush.

Ezekiel: Have you heard of the party at Fatima's house?
Luca: No... was there one?
Ezekiel: Yes! it was full of United Statesians, Canadians and Brazilians.
by Ezechiel January 16, 2007
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An incorrect term applied to citizens of the United States of America generally out of anger that they would presume to call themselves Americans. The politically correct term would be United States Citizen. The proliferation of the term American (often by members of other North and South American nations) to refer to such people has made it appropriate to do so.
I hate those presumptuous united statesians.
by The_Anonomouse August 20, 2009
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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 :)
by jubjubjubjub October 1, 2021
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Refers directly to the citizens of the nation The United States
I was born in Missouri, therefore, my nationality is United Statesian
by Koelen February 27, 2022
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