Definition of Typhoid Mary in English:

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Typhoid Mary


noun (plural Typhoid Marys)

A transmitter of undesirable opinions, sentiments, or attitudes.
Example sentences
  • He takes the idea a step further with a fascinating theory about the personalities who transmit those viruses - the Typhoid Marys of social epidemics.
  • Stories like that should embolden smart users so that, instead of accepting their co-workers’ incompetence, they will feel free to mock and ridicule these Typhoid Marys of the computer world.
  • I think Typhoid Marys would be people who push someone to see a show by railing about how dirty/immoral/ungodly it is.


The nickname of Mary Mallon (see Mallon, Mary), an Irish-born cook who transmitted typhoid fever in the US.

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