No, it is not at all appropriate. We should uphold good moral values in our communication and avoid promoting or spreading any form of vulgar or improper content. Society has standards of decency, and this clearly goes against them.
We can prevent it by setting clear moral and ethical guidelines in our communities and families. Educating people about what is appropriate and inappropriate is key.
There is no evidence to suggest that such activities occur in a gym environment. Gyms have rules and ethics in place to maintain a proper and respectful atmosphere for all members. This kind of description violates the basic norms of a public fitness place.
Using such a title is not acceptable in a civil and moral society. We could shift the topic to stories about fathers teaching their children valuable life lessons. For instance, a father teaching his son or daughter about perseverance, kindness and the importance of education.
Most literature aims to promote positive social values, and topics like this are not part of the acceptable content in literary works. We should look for stories that are about love, friendship, and moral growth in literature.