A reference to a flamer, or homosexual. A flamestacker is different from a flamer since they actually stack flames, meaning that they create homosexuals as well as being one. They are the scouts for converting straight and bisexuals to full-blown homosexuals. They are the zenith of homosexuals.
Diesel: "Dude, Devin is such a flamestacker. Look at him over there trying to stack those guys over there."
Chimptits: "Uhhh, yea, thats some gross ass shit. I knew he was gay, but i didnt know he was a flamestacker too!"
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)