This is occurs when one executes a particularly violent shart or a series of particularly violent sharts, causing one to feel like one's rectum has ceased to become and internal organ in order to become an external organ.
The violence of the shart recquired for this phenominen to occur is such that they occur very rarely and even then only in the highest circle of Shartisans.
"James did the most foulshartthis morning. I wouldn't suprised if he had a shartorectumy!"
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)