Obetard
A person who is so fat they look like a burger, and so dumb they think ketchup is a type of math.
My cousin is an obetard. He ate six pizzas and still doesn't know what 2 + 2 is.
The guy who tried to rob the store said, 'I'm not a thief, I'm an obetard.'
My teacher called me an obetard because I spelled 'obetard' wrong on my test.