Obnoxious social crusade against scientifically-evidenced views. Antiscience based on the idea that strong feelings are more important than verifiable facts.
"Hey, did you hear all these groups say vaccines cause Autism?"
"Nah, bro, that's straight-up Quacktivism."
"Nah, bro, that's straight-up Quacktivism."
by thunderrumble November 21, 2015