DAVIS (CBS13) ― Police say a man posed as a self-defense instructor to scare hundreds of college students into buying his products.  Hundreds of sorority members at UC Davis showed up to a self-defense seminar by a man calling himself David Portnoy, who some attendees are now calling a con artist. "He said he was a third degree black belt, he didn't really have that appearance," said Julie Quintanilla. "He was really overweight." Students became even more suspicious after his hands-on demonstration. He grabbed a girl from behind, said sorority member Megan Mills, and locked his arms around her upper body. To counter the hold, "he taught to pinch the groin," Megan said, which brought the volunteer's hand back to his own groin. "He claims to be this great guy who wants to make a difference in women's lives," Megan said, "but it's fraud."

David Portnoy? Hey, that's my name! Now before people get all worked up about this story and start calling me a scumbag, I’d like to clear some shit up.   Yes, I have claimed to be a  3^rd degree black belt to impress chicks before.  And yes some people have said I’m “really overweight” lately.   And yes I’m looking for ways to supplement my income and selling pepper spray seems as good a way as any.  But I’ve never tricked a chick into grabbing my cock before.  I just ask girls how badly they want to be in my magazine and then I drop my pants.    From there I leave it up to them whether they want to touch my junk or not.    There is nothing tricky about it.   So I resent this fake David Portnoy dragging my name through the mud.   I mean I’ve spent the last four years fighting for women’s rights and building goodwill in the feminist community and now just like that I’m back at square one.  Thanks David Portnoy.  Thanks a lot.