obese anorexic
A human who looks like they haven’t eaten in a month, but they eat like they’re being chased by a bear.
She’s so thin you could fit her in a shoebox, but she eats a whole cake for dinner.
He looks like he’s been starved, but he eats like he’s fighting for his life.
She’s thinner than a noodle, but she eats like she’s going to die if she stops.