A phrase made popular by Professor Quirrell in Harry Potter and the Sorcerer's Stone. Also can be used to describe an impending trip to the toilet. When you have to go number-two...bad.
While sprinting to the toilet, Javier yelled, "Everybody get outta my way! I had Mexican food twice yesterday and there's a nasty troll in the dungeon!"
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)