Gabe Fu Share definition Flag a bad ass type of ninja/karate mixed with a little free styled whoop ass. usually occuring in a pool. That dude just whooped my ass with some Gabe Fu shit! Gabe Fu by djacksgeorgia2008 February 6, 2010 0 0 Get merch Get the Gabe Fu mug. Buy Now — $32.95 See more merch