Extremely harsh and vulgar term for 'vagina'. Origin from the Chinese dialect, Hokkien. Typically used when cursing something or someone. Often preceded by the word 'chau' which means smelly.
Did you see that?! Chau chibai! The dumb twat
cut in front of me!
邮件由 firstname.lastname@example.org 发出。我们决不会发送垃圾邮件。