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
Mad Beaver Disease. This is the beaver version of mad cow disease. The conditions include random, uncontrolled spasms which lead to violent attack of all things surrounding the subject. First encountered in the Panania area and in the local beaver stock. Currently there is no known cure.
Text fits
Save
Cancel