The terms "night crawling" and "17 18 19" also appear in the context of hobbyist communities: RC Rock Crawling: Hobbyist groups like Nor-Cal Hobbies
If "tor" was intentional (e.g., Tor browser or a privacy angle), that's less likely for lifestyle/nightlife — but if you meant a private crawl via encrypted booking, some exclusive events use Signal or Tor for invites.
I'm not quite sure what you're looking for with that specific phrase. It sounds like it could be related to a few different things: