What does 7iok mean?

Girls use 7 koi fish as their screen name, which means "koi fish". Koi fish is an advanced ornamental fish with rich ornamental value, which is deeply loved by people. Now, "koi fish" is a cultural phenomenon, which means everything related to good luck. Net names include forum net names, qq net names, game net names, etc. And the net name of Tencent qq, that is, the corresponding virtual name on chat software, is the most familiar, random, unstable and unreal. Generally, screen names are a direct spread of their own image. A screen name must first create an image for itself. It is a good screen name to remember easily, to have moving meanings and to have good words.