My very first experience with flashing was inadvertently to a cousin. At first it was an accident and later on purpose. I was 17 and spent a lot of time in the summer at my aunt and uncles house where they had a pool. I remember sitting on the edge of the pool when my cousin who was a year younger swam up and was staring at my groin intently. I was wearing baggy loose shorts and hadn't realized a good few inches of my cock was hanging due to the way I was sitting. A few of her friends were there and they also swam nearby and began to giggle so I didn't move to allow them to continue gawking. From there after I made sure that I packed these shorts anytime there was a chance to swim and had flashed them throughout the summer.

When I visited anytime after where no swimming was involved I made sure I wore pants with no underwear that had a missing button, hole in the crotch or a broken zipper. I had flashed her on a number of occasions prior just to see the reaction and it was always positive judging by the remarks. The first time time I wore pants with a broken button which I kept in my pocket. I secured them with a safety pin which I removed while she went to grab a drink. When she returned I dropped the button and declared that my button popped and asked her to help look for it. I pretended to fumble with the zipper so my cock would remain in my pants. Of course while looking for the button my zipper would loosen and my cock would fall out. I made a fuss so she would look at my groin and see me hanging out. I had pretended to be embarrassed but she didn't seem to mind at all or say anything.

She found the button and I struggled to zip up when she offered to try and place it back on my pants. She knelt down in front of me while I did little to contain myself and the. my cock jutted out to meet her. She let out an Oh my god" but she continued on. While she attempted to attach the button it was twitching with every heartbeat and mere inches from her face. Her hand brushed against it as she tried to attach the button and it was then I noticed a huge gob of precum dripping from the tip which ended up on her hand. Right then I had the biggest body shudder.

Minutes later she gave up and said she could fix it but I'd have to remove my pants. She grabbed me a towel and I went to the bathroom to remove them as she followed closely. I wrapped the towel around myself and could feel her staring at me so I'd asked if she had ever seen and touched a cock before. She said she had seen a few before and had even given blow jobs to two guys at once on several occasions. I was surprised but I still asked if she wanted to touch it and she nodded in agreement.

I sat on the couch and opened the towel to reveal my cock which now looked like a melting candle with the amount of precum running down it. She reached out wrapping her hand around it but she was amazed at how small her hand looked as I'm above average at about 8.5" and pretty thick. She was like "Wow this is pretty big" and she then began to jerk it slowly while playing with my balls. She told me that even though she knew this was wrong as cousins she couldn't help herself. Being a horny 17 year old I tried rationalizing by agreeing with her but then said
"It's not like we're fucking." She swathed her tongue over the head as she continued pulling it. She continued to jerk me off for several minutes and then began to tongue my balls and then to the top of my shaft.

Within minutes I warned her that I was going to cum and that I should do so on the towel but she continued jerking me off and moved her face closer. Finally a thick rope of cum shot forth hitting her right in the eye. She reached for eye so I grabbed my cock and jerked it myself and four more thick ropes of cum shot out hitting her in the chest, throat and she then pulled me closer to take the two remaining in her mouth. She had a look of pleasure on her face as cum dripped down her face to her chin and then wiped it in to her mouth. I was like Wow my cousin is a cum fiend!

She quickly cleaned up with the towel as our mother's would surely be back from shopping shortly. Her eye was red and her vision now blurred as she hurriedly took the towel to the laundry room and went to flush her eye out. I grabbed my unfixed pants and put them on using the safety pin once again.

Minutes later the door was opened and our mom's appeared with groceries so I helped them with the bags. They asked where my cousin was and I said "I think the bathroom but I'm not sure as I was watching TV" A short time after she emerged from her room and my Aunt asked her what she had done to her eye as it was red. My cousin gave some excuse and nothing was mentioned further.

After that day there was no longer a need for the pants with a broken button, holes or broken zipper. Now she was the one asking for my cock every time I was over and even while our families were around. This continued in to our early 20's even though we were both seeing people and although there was never intercourse she did like anal but that's another story.