My friend was moving out of the city and we had kind of party at his house, just four of us best friends. It was kind of boring because he was very sentimental and we didn´t feel we would never meet again as he did. We had some drinks and later he had the idea of having a bath all of us together. It was a strange wish because we never saw each other naked, but after we just waited at each other reaction and obviously everyone was somehow into the idea, we all agreed. It seemed we would have some fun finally-I suppose now this was how everyone was thinking about.
They had a huge bathtube with some bubble system. We didn´t plan it so we had no swimwear so we just got naked and jumped into the hot water. He started to talk about one girl he would miss very much and we became curious because we never heard about them being together. After that he told us how they were making love what sure was some mystification, but after some more details to my surprise I started to feel I was getting an erection. I tried to hide it but no success, they all figured out and started to make fun of me what embarrassed me a lot. I was thinking what to do and the only thing I found after a while was I told them that mine was bigger.
The competitive spirit won and right then and there everyone was rubbing his dick to get it bigger and the we measured. Funny, but mine was biggest, even the differences were not that huge. When we sat back to the water I asked if we would jerk off alone somewhere in the house or we would do it together there-what was a good question for four people holding their dicks at one moment. Somebody told he was very excited and started to stroke himself more and the rest of us just joined. It was great turn on, I just closed my eyes and open them from time to time to see how people are excited. The two of my friends did it for each other while I and the other one masturbated twice in a row with no break. We left the tube with a lot of significant white spots in the water.
After a couple of days our friend left the city, but we met several times during the next years. Everytime it happened we jerked off together, even putting all four people together never happened again.