Top Definition
a person who is so very obese that you are suprised to see them up and walking. you shouldn't call people superfat unless they know you're just kidding around. a superfat is usually the kind that wears urban fashion and walks around certain neighborhoods where theres alot of shopping and good foods or malls, so they're usually middle class or rich.

they drive nicer cars and usually are into sports or commercial music. these are the type of fat people who are really nice, fun and make you laugh, they just happen to be so big they're superfat!
Dude, you're so big you're superfat! Supah-fat!
by atari might November 23, 2009

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