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1.
A citizen of USA, United States of America. As an American would be confused with people of South and Central Americas as well as Canadians.
Plural: USAians
And also: USAese like Chinese, Japanese
USAians tried to introduce democracy to Iraq and ended up reducing the population there by 1.5 million for good and over 4 million left the country.
by Arabi Souri February 06, 2012
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