el tío - uncle, guy (informal usage to refer to a man in general)Spanish example: El tío Sam no es más que el nombre \"cariƱoso\" que la juerga popular le ha otorgado al gobierno de los Estados Unidos.
English example: Uncle Sam is nothing mor than the "affectionate" nickname that has been given to the government of the United States.
Source:
el tío - uncle, guy (informal usage to refer to a man in general)