stan

Meaning

1. An extremely devoted, often obsessive fan of a celebrity or franchise.
2. (verb) To support that person or thing intensely and publicly.

“I will stan this band until the day I die.”

Where it came from

The word comes from Eminem’s 2000 song “Stan,” about an obsessive fan, generally read as a blend of stalker and fan. K-pop fan communities adopted it as a self-label through the 2010s, and it became general vocabulary for devoted fandom online.