Having 'calle' refers to someone who is street-smart, savvy or experienced in life. It suggests a person who has learned from the school of hard knocks rather than formal education.
Examples
- Spanish: Juan no fue a la universidad, pero tiene calle. Sabe cómo manejar situaciones difíciles.
- English: Juan didn't go to university, but he has 'calle'. He knows how to handle tough situations.