Rubbing pussy`s against eacother is a favorite position for lesbians, its an excellent way to stimulate the clitoris and achive an orgasm without actual penetration. The girl on top is having an orgasm, thats for sure, a dirty looking substance pops out of her pussy and lands on her lovers vagina. It looks like a cumload, could she have been cheating on her girlfriend or does she just have an infected pussy?