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The stereotype of the loud, arrogant, jingoistic American, particularly as they carry out such behavior in or towards other countries. The phrase comes from William Lederer and Eugene Burdick's 1958 book, Ugly American. Yes, I'm American, but I'm try hard not to be an ugly American. I always act with the utmost respect for whatever country I'm visiting and their people.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.