This was once said to me by AshCourt1 on wattpad and I don't know where it came from or if it's a reference to something but I now use this expression.
AshCourt1- Oh my goblin in a pants suit! That cat you have in you profile pic looks nearly identical to mine!
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi