Let’s take that etymology one step further: “fan” comes from “fanatic”, so a stan is a stalker fanatic. Which somehow has become a positive term in some circles.
It has been suggested the name “Stan” is a portmanteau of the words “stalker” and “fan”, though it is unknown if the name was chosen with that intention. The term “stan” has since become an internet slang term for an extremely obsessed fan of something or someone and is derived from the song’s title.
Originally it was a portmanteau of “stalker-fan.” Think “super fan.”
Let’s take that etymology one step further: “fan” comes from “fanatic”, so a stan is a stalker fanatic. Which somehow has become a positive term in some circles.
It was actually a reference to Eminem’s song “Stan” about an insane fan who murders his family or something.
Might be both!