自从穿了校服什么地都敢坐
[zì cóng chuān le xiào fú shén me dì dōu găn zuò]
The name roughly translates to 'Since I put on school uniform I dare to sit anywhere'. It's somewhat funny and lighthearted. The implication might be about becoming bolder or having more confidence once dressed in a way like everyone else. Or it can also indicate one no longer minds getting their uniform dirty, implying they care less about keeping perfect appearance or have a rebellious attitude towards regulations when wearing uniforms.