east 99 Share definition Flag E. 99th street in St. Clair Cleveland, Ohio. Home of the Bone Thugs-n-Harmony. AKA tha double glock (two 9's=two glocks) east 99 style bitch shotz to tha double glock east 99 by 'sup P May 13, 2005 0 0 Get merch Get the east 99 mug. Buy Now — $32.95 See more merch