This combined term was coined by the community (way to to go Pit Bull Regulation Project!). The first part, “mutant,” comes from the Maul Talk Term, genetic mutant, which refers to the artificial selection of pit bulls to create successful dogfighting machines. The second part refers to the grave dangers of “dog-sitting” pit bulls, as noted by one member, “deaths and maulings are not rare” during such mutant-sittings.

Elmhurst Fire Chief Michael Kopp said ambulances took a man to Loyola University Medical Center in Maywood and a woman to Elmhurst Memorial Hospital at about 5 p.m. Monday, after they were attacked by two pit bulls … the man and woman had apparently been dog-sitting when they were attacked. – CBS Chicago
The unlucky victim was taken to Staunton Community Memorial Hospital where she was treated for multiple, severe bites to both arms.
The unidentified victim told authorities she had been dog-sitting her son’s male, 1- to 2-year-old pit bull

A neighbor, who did not wish to be identified, said she was dog-sitting when the pit bull, named Feisty, attacked Johnson. She said she feels the dog was just doing what a guard dog is supposed to do. – Unidentified “dog-sitter”
A North Carolina woman and her boyfriend will likely be charged with felony child abuse after a pit bull ate all the toes on her 4-month-old son’s left foot while they slept. Robie Lynn Jenkins and Tremayne J. Spillman told authorities they were dog-sitting the 12-week-old pit bull – Times Union
According to the Lee County Coroner, Horton suffered severe injuries in the attack as well as undergoing a heart attack. She was pronounced dead on the scene. Her husband, Jerry Horton, was rushed to Carolina Pines Regional Medical Center with serious injuries. At the time of the attack, Ethel and her husband were dog-sitting their nephew’s pit bull named Brutus –
In yet another attack, a nine-year-old boy was seriously injured by a pit bull terrier after he accidentally wandered into his aunt’s backyard where she was dog-sitting a pit bull for a friend. – California Personal Injury Blog
A woman was dog sitting a pit bull in a home in South Austin when the dog began attacking – YouTube
The two were on a walk with Tytionna’s 2-month-old brother when the pit bull the family was dog-sitting got loose. It charged the trio and bit Tytionna in the face, dragging her to the ground. Then it bit her leg and shook her. “It swallowed my earring,” she said. – News4Ajax
Jeannine Fusco, 44-years old, was killed after being bitten in the head and throat by a pit bull she and her sister were watching for a friend. Police said the dog violently attacked 44-year-old Jeannine Fusco in the garage of her home. The victim suffered severe bites to her throat, head and neck –