Typhoid Mary(redirected from Typhoid Marys)
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A person from whom something undesirable or deadly spreads to those nearby.
[From the nickname of Mary Mallon.]
a carrier or transmitter of anything undesirable, harmful, or catastrophic.
[1930–35; after Mary Mallon (d. 1938), Irish-born cook in the U.S., who was found to be a typhoid carrier]