Beat The Chief
In mock trial, or moot court, when one team scores more points during the other sides case in chief (meaning they score more points on the side of the ballot on which their team is not doing the case and chief).
Two mock trial people are discussing a trial:
One of them: "Yeah, we really crushed them."
The other: "We probably beat the chief"
One of them: "Yeah, we really crushed them."
The other: "We probably beat the chief"