Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "superfan" in a sentence
"The superfan was the only spectator at a game in North Acton."
"In another effort to keep the buzz going for the YouTube hit, a yet-to-be-named "superfan" will get to debut the commercial on his or her own social network page or feed, sometime before Super Bowl Sunday."
"A "superfan" is what the company calls people who eat fast-food nine or 10 times per month."