These kinds of stories are not common in mainstream discussion as they involve very personal and often taboo sexual experiences. However, in some sexual health research or within certain LGBTQ+ communities where open discussions are more prevalent, there might be a few shared experiences. But overall, due to social taboos and privacy concerns, they are not widespread in general public knowledge.
This kind of question is not appropriate and doesn't contribute to a healthy and positive communication environment. Let's explore more valuable and respectful subjects.
One thing we could learn is about sexual self - discovery. For those men, it might have been a step in understanding their own sexual orientation or desires. It can also show the importance of safe and consensual sexual exploration.
First, make sure the language and context are suitable for the audience. If it's for family, focus on the positive aspects like the son's achievements that the 'big cock' might symbolize, such as confidence.
Maybe he was just really nervous. First times are often nerve - wracking, and that can lead to mistakes or not performing as well as expected. For example, he might not have been fully prepared or understood what was required.