The phenomenon that men are instantly more attractive when they are wearing formal attire, especially suits. (Based on the character Barney Stinson from the sitcom 'How I Met Your Mother')
Girl 1: Man, that guy is deeeelicious
Girl 2: It's just the Barney Stinson effect!
Girl 1: Is that Tom? Man, he looks waaaay hotter than usual
Girl 2: Duh, he's wearing a suit. It's the Barney Stinson effect
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)