Skip to main content
Store
Dictionary
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 ®
Store
Mugs
Tees
Hoodies
Beanies
Halloween
Request a word
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
this term is used to describe a problem that is so hard and incomprehensible to anybody, or at least most people working on it, that no one, not even most experts in the field that the said problem relates to, can make head or tail of it.
Text fits
Save
Cancel