blood oath

noun

Definition of blood oath

:an oath taken by two or more people in which they ceremonially use or exchange each other's blood; broadly :a very serious or solemn oath
  • … she'd have to sign a blood oath promising that no matter what happened she'd never leave once that child was born …
  • —Ron HarrisElleMarch 1993
  • Back when we were 17, we all took a blood oath to record three albums of 30-minute punk rock, and nobody would get to leave until we'd done just that.
  • —Pelle AlmqvistSpinNovember 2007

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First Known Use of blood oath

1856


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to praise usually to excess

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