Top definition
A person who thinks they know more about medicine and public health than the overwhelming majority of doctors, scientists, immunologists, and every major health organization across the whole entire planet.
Pfffft, I don't need to believe in "evidence based medicine" & fancy "science" made up by sheeple and shills! I'm an arrogant anti-vaxxer!

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by M'Lynn October 10, 2015
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2
Someone who discounts scientifically valid medical research pertaining to vaccines in favor of data produced by a discredited researcher.
The anti-vaxxer movement has negatively impacted herd immunity and resulted in outbreaks of presentable diseases.
by Zyndell October 10, 2015
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3
A particularly toxic kind of narcissist who places their own science illiterate beliefs in woo over the welfare of their own children and that of the general population.
"Oh great, another measles outbreak, thanks to those dumbass anti-vaxxers."
by FactsOverFear October 10, 2015
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4
People who want to bring back the good old days and deadly diseases.
Sam missed the days when everyome got polio. So, to get back to that, he became an anti-vaxxer.
by ShillNation345 October 10, 2015
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5
a person who opposes vaccination/immunization, claiming that the practice is harmful. the term typically carries a derogatory connotation, implying both science illiteracy and a failure to think critically.
We can thank the anti-vaxxers and their ill-informed propaganda for the resurgence in measles and other preventable diseases in the 21st century.
by synthesist October 10, 2015
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6
Noun: A sub-cult of anti-science, Google researchers that, when gathered in groups, have the innate ability to reduce their collective IQ to a level proportional to the inverse of the collective sum. Also usually have a strange obsession with marmot feces and believe it will protect them from contracting Autism during their adult lives since the practice of rolling around in it has been anecdotally linked with their ability to not contract autism as adults.
Person 1: Why are those people rolling around in marmot poo?
Person 2: Oh those are just anti-vaxxers.
by garf brooks October 10, 2015
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7
A person who, because of a lack of understanding of immunology, biology, chemistry, or just science in general, refuses to allow vaccination of themselves or their children.

Often talk about vaccines causing autism and/or other diseases, despite the fact that most evidence pointing to that has been widely discredited and retracted.

Will resort to flinging insults when questioned. May say that you need to "do your own research" (just not in a lab); that doctors and scientists are all bought out or are "shills" for "Big Pharma" or the government, and are planning on killing everyone; or that they are the only ones that are "AWAKE1!1!!1!!".

Only rarely show sympathy to anyone but themselves. Slight chance of germ theory denial. If sighted, do not approach: often armed and contagious.
Despite an enormous body of evidence that vaccinations have caused a decrease in polio outbreaks from 350,000 in 1988 to some 416 cases in 2013, anti-vaxxers continue to both deny the efficacy of vaccines and push the discredited idea that vaccines cause autism.

This has caused an increase in the cases of preventable diseases such as measles, including a Disneyland outbreak in early 2015.
by Shillbucks my ass October 10, 2015
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