媳妇我大姨妈来了淡定点
[xí fù wŏ dà yí mā lái le dàn dìng diăn]
This Chinese nickname conveys a humorous and intimate expression often used between young couples, implying the need for extra tolerance and understanding when women have their menstrual cycle (also referred to as 'Auntie Flow' in Chinese slang). It reflects cultural attitudes towards menstruation, with a tone that is casual and familiar among certain social circles.