I think it was call something like club butterfat or something like that. It was about this guy that gets fattened up by a group of people.

this one is pretty good too elroycohen.deviantart.com/art/Training-426941659

you might like this story www.dimensionsmagazine.com/forums/showthread.php

I meet a dominant feeder who secretly fattens me up with drugs that make me hungry and is always encouraging me to eat more and more whenever i want to or not. all while telling me how fat im becoming and i can be fatter for her.and i balloon to 500 to 600 pounds

looking for a story about a fbi analyst getting revenge by making a agent gain weight to go undercover