ggusd Share definition Flag 1. Garden Grove Unifed School District 2. Good game you suck dick! 1. "Hi sir, I from GGUSD, I am here to..." 2. usually happens in a game.. "daymn...you sucks..GGUSD!!" ggusd by oxyi October 5, 2006 0 0 Get merch Get the ggusd mug. Buy Now — $32.95 See more merch