man ovaries. Specifically when a male acts in a way that mimics how women act when PMSing.
A man measuring his body weight and fat content... every day... and posting it as his status on facebook.
If you do this, you might have movaries.
girl: My best friend comes first, and I tell her everything.
boy: I totally understand.
boy: You told her that? What?? Why?!? I am so upset with you.
If this has happened to you, you may have movaries.