Humping the Floor
One day I lay facedown on the warm tile floor wearing a thong. The tile floor felt nice and warm. I started to hump the floor and I got a boner from humping. I kept on humping the floor for a while.
I finally I came a lot and the load went through my thong and all over the floor. It felt good. I then I started humping the floor again wanting to see if I could cum a lot more than the first time. I had intense orgasm. I came so much that I had more than the first orgasm. It was great.