coffee in, coffee out去洗手间

Having to use the bathroom because you drank some coffee.

例句：

Is there a bathroom around here? I drank some coffee this morning and you know the expression, coffee in, coffee out.

这附近有厕所吗？今天早上我喝了太多的咖啡，你知道“coffee in, coffee out”这个表达嘛？

I drank way too much coffee this morning. Coffee in, coffee out.

今天早上我喝了很多咖啡。太想上厕所了。