throw overboard

Verb

• throw from a boat

• 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
    

Related words

• Synonyms: 
  deep-six , forfeit , give up , waive , forgo , forego
• Antonyms: 
  claim , lay claim , arrogate