Stephen King's Thinner

The plot of Thinner concerns massively overweight lawyer Billy Halleck (Robert John Burke), who is receiving an oral gift from his wife (Lucinda Jenney) while driving down the street one night, when he becomes so carried away that he runs over an old Gypsy woman (Irma St. Paule), killing her. Nobody in town likes the traveling Gypsies much, so Halleck's pals -- a judge and a cop -- cover up the incident. After the cover-up, the dead woman's father, Tadzu Lempke (Michael Constantine), touche...