That gross dry bits of presumably food particles left over when your dish washer fails it's job as a machine.
Jon: Hey George, is the dishwasher clean?
Geogre: Yeah, I just did the dishes a while ago.
Jon: (Picks up a cup) *peers inside* Ohhh Fuckgross, there's Skelofree all over this!
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)