1 definition by HarpoMarx

A nutjob who rejects modern science and medical knowledge in favour of conspiracy theories, urban legends, and general crackpottery. Ironically, they shrilly denounce the evils of pharmaceuticals and doctors from behind the keyboard of their own computer - a product of that same science they reject.

Another term, arguably more accurate, is "pro diseaser".
Thanks to anti-vaxxers, diseases like measles, whooping cough and diphtheria that were practically non-existent are making a comeback. Great job, guys.
by HarpoMarx September 4, 2015
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