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
When, in a moment of weakness, mother nature calls in a vulgar, disgusting, but creative way. A hibernating hippo is when someone takes the lid off the toilet cistern and does "number two's", before replacing the lid, leaving the surprise for someone else to find Hibernating hippo's have been known to go unsighted for days on end, but their smell attracts the interest of many creatures such as flies and small children.
Text fits
Save
Cancel