穿着校服逛酒吧背着书包去打架
[chuān zhe xiào fú guàng jiŭ ba bèi zhe shū bāo qù dă jià]
Portraying rebellious school students who wear school uniforms to unconventional places or engage in unexpected behaviors like fighting, which are typically not allowed. This nickname implies breaking rules for self-expression and defying expectations set by society or schools.