'throw overboard' definitions:

Definition of 'throw overboard'

(from WordNet)
verb
Lose (s.th.) or lose the right to (s.th.) by some error, offense, or crime; "you've forfeited your right to name your successor"; "forfeited property" [syn: forfeit, give up, throw overboard, waive, forgo, forego] [ant: arrogate, claim, lay claim]
verb
Throw from a boat [syn: deep-six, throw overboard]