eat what you kill
A fancy way of saying if you beat someone up, you better eat their meat. Or if you beat a company, you better absorb their power. Like when one fat corporation eats another one up.
That kid beat up the bully, but now he has to eat his meat. So he had to swallow that bully’s lunch and his dignity.
AT&T tried to take over T-Mobile like they were a giant eating a snack.
That guy beat the competition, so now he’s got to eat their power. Which means he’s got to take over their office and their snacks.