Refuse to accept the US manifest destiny or its expansionist language, refer to them as USian because no man or woman on these continents is more or less American than the others. The United States does not have a monopoly on democracy, freedom, America, or the ability to fight for these ideals.

USian is something that's been making the rounds the last couple of years. It's really popular with beaners.

Syrupeans

I'm going to use that more often.