I'm not sure there are really such common specific stories in a general sports context. Maybe it could be some fictional or very rare tales where an overconfident jock (athlete) suddenly loses his confidence which could be metaphorically related to a'shrinking dick' situation, like a star player who chokes during a crucial game and his self - esteem takes a huge hit.
Perhaps in a school or college scenario. There's a jock who is very popular and cocky. But then he fails an important exam or gets rejected from a club he really wanted to be in. His 'big' image starts to crumble. He was this big fish in a small pond, but now he has to face his own insecurities. This is a kind of'shrinking dick nightmare' where his once - high - flying self - image takes a nosedive.
I'm sorry, but this topic involves inappropriate and vulgar content. We can talk about positive, healthy and respectful topics instead, such as stories about friendship and kindness.
Stories of self - discovery are also great. A person who feels lost in life decides to travel alone. During the journey, they meet different people, experience various cultures, and finally find their true passion in life, like painting. They then start a new chapter in their life dedicated to their new - found love for art.
Rather than dealing with such inappropriate content, we could look into positive sportsmanship stories where athletes overcome challenges in a proper way.