To jettison or cast something into the sea or water from a vessel, typically to lighten the load or dispose of cargo.
2.
Generalinformal
To abandon, discard, or renounce an idea, plan, person, or practice; to give up or reject something previously held.
3.
Generalinformalpejorative
To sacrifice or scapegoat a person or element of a group in order to preserve the remainder; to remove someone as a way of deflecting blame or saving a situation.