While driving in area looking for PCP someone comes up and asks if you want to 'get cool', you say yes and hand him a cigarette (usually menthol) and he takes it and dips it in PCP and blows it through the cigarette. You then smoke several puffs of PCP while having the cool sensation of the menthol in your lungs; thus the term get cool.
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)