Crossword Genius

Eminem hit that has become slang for a superfan (4)

Ross

I believe the answer is:

stan

(Other definitions for stan that I've seen before include "- Laurel, comedian" , "Laurel and Hardy, . . . . and Ollie" , "guy" , "Ollie's partner" , "- Laurel, Hardy's partner" .)

I've seen this clue in The New York Times.
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