"Nohomobro" refers to the act of doing something that could be viewed as homosexual but in reality isn't or has no homosexual purpose behind it. As a result, the person doing the act simply says "Nohomobro" and the action is thus deemed "non-homosexual" when used reasonably.
1) Fred had to weigh in naked to make weight in wrestling and his friend Joe happened to be in the locker room
-Joe "Aww dude, that's gay!"
-Fred "Hey, Nohomobro."
2) A doctor is giving his patient a prostate exam, he says: "Nohomobro"
3)Your friend says a funny joke and you reply after laughing "I love you dude!" followed with a "Nohomobro."
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)