待我熬成学霸必教你数理化
[dài wŏ áo chéng xué bà bì jiào nĭ shù lĭ huà]
This username implies that once the person successfully turns into a top student (after hard studying), they will be able to teach others (you/their friend) subjects like Mathematics, Physics, and Chemistry. It indicates determination for self-improvement in academics and also suggests that the user has a playful or friendly attitude.