At or occupying the position of least importance or influence in a social, corporate , or political hierarchy. As an intern, you're always at the bottom of the food.
Plants are at the bottom of the food chain. Scientists call them producers, because they use light energy from the sun to produce food from carbon dioxide and.
Those who indulge in said saying frequent the bottom of the food chain. Invented by Markus. Markus: I like shoes. Sean: me too. Jarvys: your face likes shoes.