that/(one's) time of the month

that/(one's) time of the month

The time, usually once a month, at which a woman begins to menstruate. I've had horrible cramps and have been really tired lately. It must be coming up on that time of the month again. A: "I made a joke about it being Sally's time of the month, and she punched me in the face!" B: "Good for her. You had it coming."See also: month, of, that, time