Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
Portmanteau word formed from infection and activist, used to describe someone who not only denies the scientific consensus on the safety and efficacy of immunisation but whose obsessive anti-vaxxer activism effectively makes them an advocate for infectious disease.
Text fits
Save
Cancel