obese anorexic
A person who looks like a stick, but eats like they’re trying to stuff their face into a fridge.
She’s so thin you could see her bones, but she eats like she’s trying to eat the whole buffet.
He looks like he’s been run over by a truck, but he eats like he’s trying to win a food competition.
She’s thinner than a toothpick, but she eats like she’s trying to eat a whole cow.