Jokingly describing some one with narrow mind of the world, or have low understanding on everything, or some one with idiotic behaviors or mind. Single-digit refers to a number from 0 to 9.
The guy'sgot a single-digit IQ, he's full of crap.
An income that's less than $ 10000 a year. What the major percentage of the United States working population earns for a living.
Your friend: Hey did you check out Rob's new ride? It's off the hook.
You: Yeah I did. What I can't figure out is how he can afford a brand new Cadillac with only a single digit income. You know he's a bagger at Wallmart, he must have something going on on the side.
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)