A super-uncomfortable and/or tacky-looking uniform that you are being forced to wear against your will because "it's the proper/expected thing to do" on that occasion.
The teacher made me wear this ridiculous tight 'n' starched poutfit to the high-school graduation, whereas I wanted to just "dress casual and comfy" so that I could truly enjoy my "great moment". Not only did I sweat like nobody's business and feel like a total dork in that horrid garb, but nobody else even seemed to notice or appreciate my appearance all that much, anyway, and so I seriously doubt if they would have truly minded if I'd merely thrown on a nice shirt and ironed jeans.
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)