The fetish to penetrate a woman who is going through her periods, typically while wanting to keep it messy, and then having her suckle on your blood covered penis. A direct descendant of scat porn.
Ryan - I told Zeeshu that I had a fetish for a good periodjob. She didn't mind, but i'm never doing this again.
David - My girlfriend broke up with me when I asked her for a periodjob.