Twi-hard
n.— «The most recent “Twilight” book sold an astonishing 1.3 million copies in the first 24 hours, and fans—also known as “Twi-hards”—stay up all night to attend the books” midnight release parties at bookstores across the U.S.» —“Interview with a vampire’s director” by Thomas Rogers Slate Nov. 17, 2008. (source: Double-Tongued Dictionary)
Further reading
In an interview about her magisterial history of the Great Migration, The Warmth of Other Suns (Bookshop|Amazon), Isabel Wilkerson noted that her own writing process poses the same challenge any writer has: “One word followed by another word...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...