A person who works in science, medicine or a technical field strictly for the money with no inclination, taste for it or interest outside of financial. Derived from the gay porn term "gay for pay". Some one who has sex with people of the same gender strictly for money.
He is actually a rock guitarist but during the day, he is an anesthesiologist. He's strictly nerd-for-pay.
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)