Where cool where you stay" is a Chinglish expression meaning "Go away and stay where it's cool!" It is used to dismiss someone or tell them to leave and not to bother you.
Person A: Hey, can I borrow your phone for a while?
Person B: No, I need it right now. Where cool where you stay!
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)