Fuglu Share definition Flag When you not only have the flu, but have the kind of flu that turns you into a fugly monster. Person 1: Isn't Jason really hot? Person 2: Not anymore! He has a bad case of fuglu! Fuglu by guuuuuuuuurrrrrrrrrrrlllllllll September 13, 2010 0 0 Get merch Get the Fuglu mug. Buy Now — $32.95 See more merch