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
A strike with the hand, usually the palm, against the back of someone's head. It is used to get the attention of the victim, especially for disciplinary purposes. When properly executed, a brain duster causes no damage and little to no lasting pain, but does immediately capture the target's attention.
Text fits
Save
Cancel