Treebeater is a racist and derogatory term used in a similar way to "n*gger." It usually is referring to a stupid African American person. The origin of the word came from a Reddit post about a special species of Chimpanzee that communicated via beating trees. This was quickly converted into a racist joke that compared the monkeys to black people
Terrell: "Hey Luke, go somewhere else. Racism isn't cool."
Luke: "Terrell shut the fuck up you fucking Treebeater, go back to my fucking cotton field and beat a tree.
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)