The Vietnamese phrase "đi rửa" literally translates to "go wash" in English. However, in colloquial usage, it is often used to mean "to get diarrhea." This usage is informal and typically understood in casual conversation.
"Đi rửa" is a casual phrase used mainly to refer to having diarrhea. It’s important to be mindful of the setting when using this phrase, as it is informal and might not be suitable in formal situations.