When a person or animal is morbidly obese (has a BMI of
40 or more and is at a greater risk for illnesses including diabetes, high blood pressure, sleep apnea, gastroesophageal reflux disease (GERD), gallstones, osteoarthritis, heart disease, and
cancer) but somehow retains a hint of
cuteness.
John: Linda, your cat is stupid fat; she's
struggling to breathe right
now. It's kind of
cute.
Linda: Yeah, she is morbidly tubby.