I am a confirmed lesbian and love women. One day my girlfriend and I were enjoying some good sex and I had to go pee so bad I couldn't stand it. We were in the 69 position and I was on top. I told Mel that I had to go and I would be right back. She told me I was her bitch and she would tell me when I could go and when I couldn't. She also told me she hadn't came yet and I was to continue to tongue fuck her asshole and finger fuck her cunt until she did. I squirmed a lot because I needed to pee so bad but I continued to do as I was told. I was trying so hard to make her cum so I could go pee and the more she played with my pussy the more I had to pee. Finally I knew I couldn't hold it any longer and started to tell Mel this and she slapped me on the ass so hard it surprised me and told me to shut up. I guess it surprised her too because when she slapped me on my ass I peed all over her face. I could hear her sputtering and gasping from the enormous amount of pee I had just dumped on her face but much to my surprise she came almost immediately. I told her I was sorry and would get up and get her something to clean up with but she told me not to move and that I was staying there until I had to pee again because this time she wanted to be prepared for it so she could actually taste it this time.