oatmeal body
When someone is so thick they could be a new type of breakfast food. You don’t just eat oatmeal anymore, you live it.
That guy at the mall is an oatmeal body. He looks like he’s been living in a cereal box for a month.
My mom’s an oatmeal body. She eats a whole bowl of cereal and still looks like she’s about to burst.
That guy in my class is an oatmeal body. He’s got more weight than a whole bag of chips.