再来三次大姨妈就放暑假吧
[zài lái sān cì dà yí mā jiù fàng shŭ jiă ba]
In Chinese culture, menstrual cramps (periods) are sometimes humorously referred to by terms like “big aunt”. This username implies the frustration of a long wait for summer holidays; even going through the uncomfortable period three times seems worth it to finally reach the holiday break.