What is 'cumhouse fanfic'?

The term 'cumhouse fanfic' is rather unclear. It might be some sort of fan fiction that is centered around a unique concept or location named 'cumhouse'. However, if 'cumhouse' is a made - up or very specific term within a small group, it's not a widely known genre. It could be a play on words or something very specific to a certain set of fans and their creative works.

Well, 'cumhouse fanfic' is a rather mysterious term. It could be that 'cumhouse' is a setting, like a house in a story, for which fans have created fictional stories, i.e., fanfic. It might also be a term that has been created within a specific sub - culture or group of fans who are into a particular kind of media. For example, if there is a series that has a building or location that they call 'cumhouse' informally, and fans write stories based on it. But again, without more information, it's really just speculation.