Used in Mexico, Central America, Colombia and Perú, this refers to an “all-american” individual. Usage is no longer pejorative in most countries, but just a shorter word than ‘estadounidense’
Negro’ [Black] is not a pejorative either. It is even used to show affection or love. Every country has such local terms to refer to aliens.
Example:El gringo que vino del norte
Translation:The gringo that came from the north