Big Titted Lady Wants That Semen In Her Asshole. So, you think you're going to get her to go down there for a good old time. You take your hard-on in and before you know it, you're down on her knees with your big titted lady riding your cock like a stallion. The problem with this scenario is that, although she may enjoy riding your cock, chances are better than great that she's not going to orgasm. But don't get disappointed because you thought you were doing everything right!.