A person who uses phrases such as 'baka', 'senpai' or 'kawaii' in regular conversation with no rhyme or reason, making you say "nope" and leave the conversation whilst simultaneously cringing. These people tend to be in the 12 to 15 age range and have only watched My Hero Academia, henceforth having no sense of social construct or behaviour.
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. PenguinBooks,1992. p. 38)