The week after I ejaculated cum for the first time in my swim briefs, I was hooked! It was the summer school holidays, so I was young, free and horny! I would have two masturbation sessions each day: once in the morning after I woke up, and once at night just before I went to sleep. I would wear my light blue swim briefs to bed each night, loving the way they felt during the night and in the morning when I woke up with a boner.
During the day, I would wash them with water and a bit of soap in the bathroom sink. I kept popping boners throughout the day dreaming about that night's masturbation session. I didn't want to do it more than twice a day because I wanted to eject a healthy amount of cum each time.
The night before the weekend, I decided not to jerk off that night or the next morning, because the next day my dad would take me to the pool again. I thought maybe it would be fun to jerk off at the pool instead! I did wear my swim briefs to bed that night and had a dream about going to a crowded beach and seeing everyone there (men, women and children) wearing swim briefs and talking to each other as if everything was normal. Strange dream!
The next morning I woke up to find a clear wet spot on my swim briefs, along with a raging boner. I got ready and wore the swim briefs under my shirts so I could quickly change at the pool. My dad again promised doughnuts after our pool session and that it would be a recurring thing as long as I came swimming with him. Great!
When we got to the pool, I noticed the blonde-haired boy from the previous week already in the pool with his family, wearing his light blue swim briefs! At first I got excited to see him, so excited I became semi-erect, Then for some reason I became a bit worried if it would be weird that we were both wearing the same swimsuit.
After changing into just my swim briefs, my dad headed to the lap pool while I went to the leisure pool where the boy and his family were. As I climbed into the pool, the boy quickly glanced at me in my swim briefs and gave me a small smile. I smiled back, examining his face more closer than the previous week. He had kind blue eyes, a small nose and a wide mouth. Not a bad looking boy at all!
We didn't talk to each other that day, but we did glance towards each other from time to time as we swam around the leisure pool. I learnt that his name was Tim from his family talking to him. On occasion we would swim past each other and I could make out his bulge in his swim briefs, making my own boner harder.
After a few hours my dad told me it was time to go and as we headed to the change room I was pleasantly delighted that Tim was following us! His family was about to leave the pool too, and while his mother and sisters went to the female changing room, Tim was right behind us.
Before we changed back into regular clothes, I had to pee so I went to the urinals. Tim stood at the urinal beside me. I knew it was maybe rude, maybe impolite, but I couldn't help it- I glanced at his dick. It was semi erect, smooth and about 5 inches - a pretty good size for our age. While it was longer than my own 4 inch penis, Tim's dick was not as wide, but he did have a bit of pubic hair growing near the base while I had barely any.
Seeing another boy's junk got my boner raging. As I finished peeing, it was completely stiff and pointing straight up. Hurriedly, and unsure whether Tim was looking at my dick or not, I slapped my penis back into to my swim briefs, headed inside a toilet stall and locked the door. I sat on the seat and immediately I pulled my briefs down slightly, exposing my boner to the air.
The front of my swim briefs were tightly hugging my balls, providing me with a pleasant feeling. The drawstring was still tied so I untied them to loosen the suit a bit. Excited, I began to pump away at my boner with my right hand, while my left hand gently squeezed my testicles through the soft swimsuit fabric. I closed my eyes and my thoughts began to drift back to moments ago, of Tim's dick.
I pumped slowly at first, focusing more on the soft squeezing of my balls. Gradually, I increased my speed, and let out some moans and grunts (not too loud in case anyone was nearby!). I wanted this euphoric feeling to continue forever, but I knew it couldn't. After only a minute or two of stroking, I stopped on a down stroke and let it out. Rope after rope of cum exploded from my penis as my body convulsed. I opened my eyes and saw that it went everywhere - my stomach, the inside of my swim briefs and even the floor of the stall.
My boner became soft once again and I quickly cleaned up and joined my dad again, changing back into regular clothes. My dick managed to stay soft as we walked along the path back to dad's car and our journey to the doughnut shop. When we ordered our doughnuts we sat down at a comfortable table to each them. While I was chewing, my mind drifted back to Tim, his swim briefs and his dick. My boner was rising again and I couldn't wait to have more swim brief adventures!