fergergally Share definition Flag Doing something in the manner of a Fergie. A eulagy at a funeral for someone named Fergie. Doing someone who looks like Fergie. I had a fergergally with Kara last night. fergergally by joe shmoezal June 9, 2007 0 0 Get merch Get the fergergally mug. Buy Now — $32.95 See more merch