If you like the person pursuing you, it's romantic.
If you don't, they can seem like total creepers.
Lately "virtual boyfriend" apps have entered the dating marketplace that squarely fit into the "creepy" category—at least from my vantage point.
These "boyfriends" will stroke your ego, be sexually suggestive, and/or keep in touch the way you want them to.
One survey participant left his car in a lot with a “for sale” sign on the window and his phone number attached.