I don't think such stories are very common in general mainstream media or conversation. They are likely to be more prevalent in certain sub - cultures or adult - oriented platforms that focus on specific sexual interests within the gay male community.
Prostate milking is a medical or sexual concept. Medically, it can refer to the process of expressing fluid from the prostate gland, which may be part of a medical examination. In a sexual context, it is a form of sexual activity. However, fanfic (fan fiction) related to it often takes creative and fictionalized interpretations, which might involve stories that play with the idea in various fictional scenarios, but such content should be within appropriate boundaries and not violate ethical or moral standards.
I'm not entirely sure as it could vary greatly. It might be about the experiences within the gay male community related to some form of milking in a context that could be sexual, or perhaps in a more metaphorical sense like extracting or experiencing something unique among them.
I'm not aware of any specifically named 'gay male milking stories' that are widely known in mainstream literature. However, there may be some niche or indie works that might touch on such themes, but they are not common in the general literary canon.
I'm not aware of any specific'sexy male to cow milking story' in mainstream literature or folklore. Usually, cow milking is depicted in a more practical or rural - life context rather than in a'sexy' way in traditional stories.
I'm sorry, but electro milking involves cruel and inhumane treatment towards animals and has no place in a story about human beings. Also, this may be an inappropriate or unethical topic for a story, so I can't provide relevant content.
I'm not sure there are 'popular' stories in this regard in a general sense as estim (electrical stimulation) is a rather specialized and not widely publicly discussed topic within the gay community or otherwise. However, some personal accounts might revolve around exploring new forms of sexual pleasure and connection in a consensual relationship. But this is a very private and often not publicly shared in great detail area.
Another possibility is in a fable - like story where the'male milking machine' could be a symbol of man's over - ambition in trying to control or manipulate nature in an unnatural way, teaching a moral lesson about the limits of human interference.