右眼皮跳跳姨妈来到
[yòu yăn pí tiào tiào yí mā lái dào]
In Chinese folklore, if your eyelid twitches it may be considered as a sign that something specific will happen. 'Aunt' is an internet term for menstrual cycle, implying menstruation is coming soon. This phrase mixes superstition with modern slang.