gFlu Share definition Flag The flu that is spread through IM systems such as Google Talk after chatting for long. me> I think I have flu she> Oh, I think me too, my throat is so sore me> I think you got gFlu gFlu by Pabluski October 1, 2009 0 0 Get merch Get the gFlu mug. Buy Now — $32.95 See more merch