Top definition
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.
by jdawg124 December 11, 2011
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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