Also called TOFIs (thin outside, fat inside).

People who doesn't look fat or overweight from the outside (no 'fat folds') and still are considered 'fat' when they are submitted to hi-tech body-scanning techniques (like MRIs), to discover that they are what doctors call 'centrally-obese': having large fat-cells in their vital organs and subcutaneous skin deposits which is high risk for heart disease and can double risk of CDV (cardiovascular disease) in men.
A new relative method to body mass index (BMI) is the Body Volume Index (BVI), which is a faster computer-based digital scan that calculates body-volumes/body fat percentages. Similar techniques to BVI should be made to tell you if you are one of the latest 'fat' category: the 'skinny-fats!

by hammer---;, hytham May 4, 2007
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Being "skinny-fat" occurs when you have a BMI in the normal range, and you may have thin limbs, but your waist circumference is very high making you abdominally overweight. You therefore have a similar risk to those who are *directly* overweight, because a huge waist is always bad regardless of your BMI.
He is skinny-fat because although he burns more calories than he consumes, he still is a major alcoholic and this gives him excess belly fat despite being otherwise a healthy weight.
by Spike 32 January 8, 2022
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This term is used when a person is thin, yet does not eat healthy or take care of themselves. They think they don't need to watch the junk they eat because they are thin. They can be more unhealthy then an overweight person.

Also known as, Skinny on the outside, fat and unhealthy on the inside.

Skinny-Fat
If a person can eat pizza, burgers, candy all day long and not gain weight, they would be considered skinny fat. They can still die from the same weight related diseases. That is Skinny-Fat
by Brianmi December 16, 2007
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This is when you look skinny but you have an untoned body. a.k.a. the stomach area
J: Yo that girl is hot!
Moe: Guy what are you talkin' bout, that girl is skinny fat!
by Kaptain Canada May 28, 2006
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Thin, but with high body fat. Like a runner, or a sedentary person who doesn't eat much.
People who don't lift get skinny-fat. They're thin but as weak as kittens.
by anon17 January 26, 2010
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A dude who has a gut and little girl arms. It is an implied insult that he does not benefit from fat guy arms, by which fat guys at least get to be tough looking.
Fuckin' dude is pure skinny-fat... he's shaped like a snow man.
by Parkson Wrecks March 25, 2006
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A person (typically a girl) with a thin frame, who has a fat stomach / upper body. A skinny-fat person occurs as the result of bad genetics, poor eating/drinking habits, and complete avoidance of the gym.
A: "So, that girl you hooked up with last night was pretty hot"

B: "Well, she looked good at the bar, but when I got her clothes off, she was totally skinny-fat."

A: "Bummer."
by acf April 5, 2006
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