花花绿绿的世界我们在玩
[huā huā lǜ lǜ de shì jiè wŏ men zài wán]
This can translate as 'We play in this colorful world'. It gives an image of embracing all colors and diversity, enjoying life without constraints. 'Playing' signifies freedom from rigid roles or societal expectations. People using this nickname usually enjoy exploring new things and living life vividly.