I actually think it's sort of hot.
I had an experience in high school. I was over at a friends house screwing around. We were teasing each other and wrestling. She was sitting on my head at one point and threatened to fart on my face if I didn't stop joking around. I stalled too long and...
Here is one with Katin. In the first video, one slips out and she exclaims, "feel that air". Awesome!
http://galleries.blingbucks.com/movie/9/katin/?a=10505&t=n