Bursting

"A new trend has been sweeping the nation and women can't seem to get enough of it, they call it "Bursting". The concept itself is simple on the surface, but requires some rather intensive preparation. First a woman must strengthen her kegel muscles, then using water or really any other fluid she fills herself to the absolute limit, making her belly bulge lewdly and giving her the look of a full term pregnancy. This is where the kegel exercises are vital, she must be able to hold in all of the fluid without the aid of a cork/plug. She then engages in vigorous sex, and if all goes well at the point of orgasm she won't be able to hold back any longer and "Bursts" spraying the vast quantity of fluid she'd been holding back all over her partner in an intensely erotic display. They say the act of "Bursting" intensifies the orgasm of both parties due in part to the vigorous exercises the woman must do to contain such a volume of liquid with in herself, and the relief of finally releasing those muscles during orgasm. Of course if the woman has a partner with sufficient girth this can have a compounding effect, as the initial "Burst" will fail, causing a prolonged orgasm which can quickly cascade into multiple orgasms, eventually leading to an even more intense "Burst"."

Pretty simple premise, looking for someone to play a woman willing to try this act.