The loud sound(s) created when someone a) has a noisy bowel movement or b) has a bowel movement in a bathroom with acoustics that amplify or otherwise emphasize the sounds related to defecation (gas, the feces splashing in the bowel, etc.).
You need to install a ceiling fan in your bathroom because there's too much cancophony whenever someone takes a crap.
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)