O.K., I'll show you my "ass", but I think if you're going to use that word, you ought to at least tell me what a "sweet" one I have.
Yes, I've had butt sex before. And I just love it when a guy takes me from behind, grabs my hips and then slams into me as hard as he can. I have an orgasm every time that's happening and when the guy starts pinching my nipples, and gives me a reach around, I can really cum hard, so hard I squirt.
Start pinching your nipples while you play with yourself. Show me how hot you think I am by massaging your penis into a massive hard-on and dream about taking me from behind.