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kill the rabbit

verb

kill the rabbit

verb

Etymology 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.)

1

Dated, Slang To get a positive test result from an old-fashioned pregnancy test.

  • "What about her?" "She killed the rabbit."
Related terms
the rabbit died

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.