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
"Red notebook!" is an exclamatory approximately equal to the meaning, "that is so obviously obvious and apparent that you must be an absolute moron not to have caught it." In other words, DUH. Red notebook! Usually accompanied by rolling eyes or, in text or IM conversations, an eye-rolling emote.
Text fits
Save
Cancel