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
Very subtle short form of “your mom”/“your mother”, originally part of a knock-knock joke. Similar to “Joe”/“joe Mama”, the casualty does not have any idea that they could be spoofed (unless they know the joke, of course).
Text fits
Save
Cancel