From the original source:
Forgot to take an old ad off Craigslist. Now I just mess with people.
I hear that Hawaiians get this a lot from tourists from the States. Usually in the form of "Do you take American dollars?"
From the submitter:
This guy bought my car a few days before this text, first thing I heard from him after buying it. Glad he clarified that he indeed was not going to snuggle up with me.