Megafan

Origin

- + fan

Full definition of megafan

Noun

1. (geology)
2. (informal) An obsessively enthusiastic fan.
• 2007, October 4, Melena Ryzik, Radiohead Fans, Guided by Conscience (and Budget), Nathan Kaufman, 25, another Radiohead megafan, said of the plan, “I got geeked about it immediately.”

Synonyms

• (extreme fan) stan, superfan, trufan, uberfan