Gay Zebra Share definition Flag A troll response to someone who asks what "GZ" means (Originally meaning Congratulations). Commonly used on the mobile MMO: Summoners War: Sky Arena. Person 1: Wow, Gz! Person 2: What does "Gz" mean? Trolls in chat: it means Gay Zebra Gay Zebra by Sumear May 24, 2016 0 0 Get merch Get the Gay Zebra mug. Buy Now — $32.95 See more merch