ideal ass law
A law of physics stating the size of one's ass is inversely proportional to size of her tits.
Guy 1: "Bro did you see the size of her boobs on that picture?"
Guy 2: "Yea but according to the ideal ass law, that size had to come from somewhere"
Guy 2: "Yea but according to the ideal ass law, that size had to come from somewhere"