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
404 can mean a Roland SP-404. Roland SP-404 is a famous sampler used a lot by beatmakers and DJs. Also you can hear variation like "four-o-four", "404SX", "404OG". 404-SX is a newer version of original 404. Original 404 can be named like "Roland SP-404OG".
Text fits
Save
Cancel