When a person obsesses about one celebrityper week so much so that he/she believes that he or she is actually similar to that celebrity
For example: Watching interviews and concerts from past-century/decade of Illayaraja non-stop for hours leading to singing and behaving like him, i.e., hyper-fan-ness.
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)