请你全家喝大姨妈
[qĭng nĭ quán jiā hē dà yí mā]
'Inviting your family on my period' - A comical or sarcastic response used to tell someone ‘no’ indirectly or firmly reject a request. Here '大姨妈(period)' represents female physiological cycles in a more colloquial sense in the mainland, usually when people don’t know how to say 'no' straightforward and directly. This term is a humorous and indirect way of refusal.