小2B今天穿了件新绿衣乄
[xiăo 2b jīn tiān chuān le jiàn xīn lǜ yī]
In an informal and humorous tone, it describes someone (' Xiao 2B', possibly referring to oneself) wearing new green clothes on a certain day ('Today'), using playful language typical among younger internet users in Chinese-speaking regions.