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
Verb; To mess up the math or the numbers. In reference to a Jet Propulsion Lab space mission or two that failed due to failing to convert one set of units to another on part of the project (metric to US or the other way around). jpl jpl'ed
Text fits
Save
Cancel