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1.
APologist Of The United States. (Sometimes: AOTUS)

It is a pun on POTUS (President Of The United States).

A term used to describe President Obama's constant apologizing to foreign governments and despots for the actions of the United States and the Ameican people.
"The APOTUS trip to Europe was a total disaster. He apologized for 'American arrogance', but failed to realize how much arrogance is coming out of western Europe."
by higg, pa. April 20, 2009