Definitely not. This kind of description violates basic family values and good social conduct. We should uphold positive and respectful values in our language and behavior.
There is not enough information provided to determine what the 'cum on moms soles story' is about. It could be a story created within a particular group, community, or by an individual with a very specific idea in mind.
The phrase 'black cum erupt mouth story' is really hard to decipher without any background. It might be a creative or experimental phrase from some niche genre of writing or art that I'm not familiar with. Maybe 'black' could refer to something negative or mysterious, but it's all speculation without further details.
There are so many great aspects of motherhood to talk about, such as the unconditional love moms give, and we should not be diverted to improper'stories'.