streetwalking

From street +‎ walking.

streetwalking (uncountable)

1. The trade of a streetwalker; prostitution that is not tied to a particular brothel or establishment.
   • 1981, Donald F. Klein, Judith G. Rabkin, Anxiety: new research and changing concepts:

     Now, you know that the classical analytical explanation of agoraphobia of the early 1900s was that it represented a street phobia because the patient equated streetwalking with prostitutional activity […]