Lady Scarlet did not like how slow her slave was and it made her feel like plucking her hair whenever she had to explain things to him. She had to make sure he stopped being slow and that he improved himself. That is why she chose to pee on him so that he associated being slow with being humiliated and that is how he slowly started taking steps to address areas of inadequacy.
This guy was eating mistress Chloe's ass but she did not like how he did it and she felt it was up to her to show her displeasure at what he was doing so that he would learn to do it better. The mistress used her pee to do it and as he licked her ass, he was shocked when she peed on him. He could not do anything about it other than to learn how to eat ass better.
Mistress Mummy wanted to teach this loser a lesson so she used her pee to do it and it was the sort of thing that the loser had never imagined was possible let alone would happen to him. She even went ahead to scare him that she could shit on him if he did not learn his lesson and he made sure he did so as not to piss her off any further.
This mistress had asked her boyfriend to try pee fetish and he had refused. But today he surprised her when he agreed to try it but in the shower. She was so excited and they both went to the shower where she peed on him and had fun teasing him. They were both turned on and that is how they had crazy bathroom sex and spend hours in the shower.
This mistress was fed up with the fact that she did not get any results from this loser when she punished him. She was fed up with waiting and she chose to accelerate the process of getting results from him by forcing him to drink her pee. It worked like a charm and she got what she wanted from him. The mistress even wished she had done it sooner as it would have saved her a lot of time.