A biscuit eater is a derogatory term for a dog too sorry to hunt anything but his own food. Can also be used for a person who is slow, lazy, or selfish.
Biscuit eater can be used in place of bitch in the phrase “son of a bitch” since both are terms for a dog.
Southerners use it as a way to cuss without using a curse word.
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)