Definitions by TR:EU

African American 

A ridiculous way that many Americans (Primarily United States) refer to a person of the Negroid race of peoples.

Considering that not all black people are of the United States of America (or even of the Americas in general), this can lead to falsely classifying someone.

Person 1: Look at that group of African Americans.
Person 2: Dude. Those guys are British.

African American by TR:EU April 13, 2011