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
大大腦子 (adjective) Pronounced: da da naozi or just DDNZ Literally "Big Big Brain" in Mandarin, it is often used to express when someone says something smart or describe a smart idea and is also often used ironically. DDNZ was first coined by the user Jade in the Cave of Linguists discord server
Text fits
Save
Cancel