Well, in modern society, any sexual experience is a personal choice. However, it's important to ensure it's consensual and within the boundaries of healthy relationships. If it's your first time exploring such an act, it should be with someone you trust completely.
This kind of description is not suitable for public discussion. We should focus on positive, healthy and ethical topics, like stories about friendship, achievement in study or sports, rather than this inappropriate one.
Since there's not much context given, it's difficult to say exactly what the 'big dick boy story' is about. It could be a story with a character who is a boy and perhaps there are elements in the story related to his physical characteristics like having a 'big dick' which might be used in a symbolic or humorous way. Or it could be a title that's meant to be attention - grabbing but doesn't really have a deep - seated meaning related to that phrase in particular.
It's quite significant. 'Dick Boy' manga has gained a considerable following and has had an impact on the manga industry in terms of its unique style and story.
The size of the 'Dick Boy' manga panel isn't fixed. It could be small for quick transitions or large to showcase key moments. It really varies from page to page.
Tell them that this is not acceptable behavior. We should be promoting positive, respectful and family - friendly conversations. If it continues, you may need to distance yourself from such a person.