This YMMV is where some members of a fandom ascribe the role of sex god to a character. This is not a show-within-a-show and these aren't fans in the sense meant by the YMMV.
Memetic Sex God: A running gag throughout the film is that Calden has women (particularly the students in his yoga class) chasing after him and begging to sleep with him. He doesn't even have to do anything - they just show up naked and waiting at his hot tub.
This YMMV is where some members of a fandom ascribe the role of sex god to a character. This is not a show-within-a-show and these aren't fans in the sense meant by the YMMV.