The very thing that is offensive about farting. It's the reason you can smell a fart, because it's actually tiny little pieces of poo floating around, ready to land on you. Or your food.
Person 1: Hey, who farted?
Person 2: Dammit!! I had my sandwich out, now it's covered in poo particles!
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)