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
Joe from Fort Lauderdale, Florida, asks about pony, the term he and his fellow maritime academy students used to mean “a practice test” or “a copy of a previous test” to help them crib for an exam. Among 19th-century British students, the slang term...
You know the expression fly in the ointment: It’s that glaring typo on an impressive resume or that first scratch on a brand-new car—the one little flaw that spoils it all. This phrase goes all the way back to the biblical Book of Ecclesiastes! And...