(doing something) on the street

When you're specifically describing the location of something, "on the street" means that something is on the part of the street that cars drive on. But "(doing something) on the street" just means that you're doing something outside in a city.

"On the street" is sometimes associated with bad behavior and crimes:

There's people on the street fighting, selling drugs, and God knows what else.

This phrase appears in these lessons: