trufan
n.— «I repeat my contention that absence of critical sense is one of the marks of the fringefan, and introduce the corollary (observable from the earliest days of anything recognizable as fandom) that argumentativeness is one of the common denominators of the [trufan] (I hate that term but it carries a useful sense).» —“Re cursing ministers” by csin!cjh Usenet: net.sf-lovers Jan. 7, 1983. (source: Double-Tongued Dictionary)
Further reading
Need a slang term that can replace just about any noun? Try chumpie. If you’re from Philadelphia, you may already know this handy placeholder word. And there’s Queens, Brooklyn, Staten Island, Manhattan, and … The Bronx — why do we add...
Diamond dust, tapioca snow, and sugar icebergs — a 1955 glossary of arctic and subarctic terms describes the environment in ways that sound poetic. And a mom says her son is dating someone who’s non-binary. She supports their relationship, but...