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
UPD stands for “Último primer día”. An spanish expression used mostly in Argentina referring to the last “first day” of high school. In the UPD students gather together, and party all night until school time arrives. Then they show up at school while being waisted and start jumping and singing songs, celebrating their last school year.
Text fits
Save
Cancel