A fork of Rural Dictionary
For God And Ulster it is an old Ulster(irish) phrase, like americans saying "God Bless America".
Ireland is great, with the best culture, FGAU!! (??) it is not a often used term, so there isnt much of an example, but this is a way of how it can be used
For Gays and Unionists
"For god's sake its a FGAU, look at him holding that fellars flagpole, oh wheres he putting that? Up his bum, dam queers, "I'm next brother, touch my fleag, I've got a inbred fleagpole.