1. A person who apposes vaccinations despite scientific evidence. Often associated with a fear that they cause autism.

2. Slang for someone who refuses to acknowledge obvious facts because they're contrary to their preconceptions.
Those stupid anti-vaxers have brought back previously defeated illnesses like measles and mumps all over the country.

Did you hear Jill try to argue that Ken Ham won the debate with Billy Nye? She's such a delusional Anti-vaxer!.
by ReginaAstrum April 9, 2014
A person who refuses to accept several thousand years of medical research. They believe that immunisation is purely to profit pharmaceutical companies.
Anti-vaxers also believe that vitamin c can cure everything from a cold to cancer.

caution, do not mention science to an anti-vaxer as this will result in meme-spamming.
I am an anti-vaxer. I reject your reality and will counter it with this meme bout Nazi's.
by anti-anti-vaxers September 3, 2015
A fucking idiot who thinks they know more than doctors who have researched on vaccines for their whole life.
Ex- "I'm an anti-vaxer cuz vaccines will give my kid autism"- Karen
by scissorkick___ October 22, 2020
"Oh, yea I don't let my kids get vaccinated."
"Wow. You anti-vaxers are really something else."
by seonghvva April 9, 2019
a person who hates their kids and humanity
Poor kids their moms a anti vaxer.
by timmy123321 March 29, 2019
1. Someone who is oblivious to the wonders of how vaccines actually work.
2. An individual who fails to protect their children
Anti-Vaxer: “I don’t understand why people around me are telling me to vaccinate my kids? I don’t want them to die faster!”
Friend: “Everyone dies at different rates Janice, it’s just your children are the Usain Bolt of dying”.
by Fusionflare April 11, 2019
An uneducated potato that thinks vaccines don’t help for shit
Joann is an anti vaxer and everyone thinks she has an extra chromosome
by Big mec May 13, 2019