Not to kill the mood, because I do recognize that this original post was meant in a joking way, but I really don't like this term. I don't even really like when people use PMS as an insult. To me personally there's nothing insulting about menstruation, and I also just think it's kind of rude to speculate about people's reproductive organs.
With that said, many women never experience any mood changes before their period, and for those that do it's often a pretty awful experience that is nothing to poke fun about. And to kind of piggy-back off of JR, men also go through hormonal fluctuations and have mood changes of their own.
I see both men and women being targeted and criticized for the way they may choose to express their emotions, and it really bothers me. Women are called hysterical if they express their emotions, and if they don't they are called castrating bitches. Men that attempt to express their emotions get smacked with insults or questions about their masculinity. I know I probably seem entirely humorless, but like they say, I wanted to throw my two pennies into the fountain for whatever they are worth or not worth.