kill the rabbit

Definition from Wiktionary, the free dictionary
Jump to: navigation, search



Before the days of instant pregnancy tests, a woman's sample was injected into a rabbit. There were several varieties of tests; one allegedly would kill the rabbit if the pregnancy hormone was present in the sample (most accounts indicate the rabbit was killed and dissected either way.)


kill the rabbit

  1. (obsolete, idiomatic) To get a positive test result from an old-fashioned pregnancy test.
    "What about her?" "She killed the rabbit."