To be unfaithful to one's partner e.g. in an extramarital affair. Named after South Carolina Governor Mark Sanford, who was said to be hiking the Appalachian Trail, when actually he was visiting his mistress in Argentina.
The act of literally becoming an Uber or Lyft driver for the sole purpose of transporting YOURSELF to a specific destination while getting paid to do so. Having the ability to pick and chose your rider based on their final destination (which would be in the exact direction you need to go).
- I'm strapped for cash but I really want to go on a cross country trip... What can I do?!
- I know... Have you ever considered Reverse Hitch Hiking?! You would actually get paid to drive people in the same direction you are headed!! Isn't that genious??