An acronym, standing for "Kimetsu no Yaiba Twitter" - a Twitter subcommunity focused on the 2016 manga and subsequent 2019 anime of the same name, known in English as "Demon Slayer".
Awesome! More KnYTwt on the for you page. I need to delete this fuckingapp.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)