What is 'PLJJ' mean in Chinese Slang?

Short for '漂亮姐姐' (piào liang jiě jie), meaning 'pretty sister'. It's used to compliment good-looking people online. These expressions originated from live streaming and short video platforms, where hosts often use these terms to address viewers or fans. With the development of social media, these terms have gradually become part of everyday language, reflecting the internet era's obsession with appearance culture.