/ˈɡweɾo/
having pale skin and/or blond hair; whitey
Ultimately from huero (“empty”), from the phrase huevo huero (“an empty egg that was lost during incubation”). The phrase huevo huero became associated with a sick person, and from this association came the association with the color white.
güero is masculine in Spanish.
a person with light skin and/or blond hair
“¿Qué onda, güero?” — What's up, whitey?
Ultimately from huero (“empty”), from the phrase huevo huero (“an empty egg that was lost during incubation”). The phrase huevo huero became associated with a sick person, and from this association came the association with the color white.