phòa-tiáⁿ破鼎

broken pot

broken pot; to bleed in the genitals; to menstruate; to be on one's period

humorous

English Wiktionary, “破鼎” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%A0%B4%E9%BC%8E · confidence: Medium (Wiktionary)