Many of these stories are "process-oriented," meaning they focus heavily on the sensory details of eating and the physical sensation of gaining weight rather than complex plot arcs.
Stories usually center on a young character (the "kid") who undergoes a rapid or intentional physical transformation. deviantart-fat-kid-story
Helpful reviewers often praise authors who use creative adjectives to describe the physical changes, rather than repeating the same few words. Many of these stories are "process-oriented," meaning they