Rub your member against her abdomen, repeatedly
From Create Your Own Story
You get down, on top of her, on the floor, and pull out your seven-inch, rock-hard cock. Pushing her shirt up, you lay your dick against her skinny belly. This might be kind of wierd, but she's okay with it, so you continue. You rub the ventral side of your penis back and forth on her average abs. Pretty soon, you want to cum. She's opening her mouth, wide, which is only a few inches away. Your choice...
