Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Words of the Day
Browse
Add a Definition
User Settings
Definitions by Skyscum
S4B
Share definition
Flag
Abbreviation
for "Shit for
Brains
".
Lucas
ain
't no rocket
scientist
,
man
, he's S4B.
S4B
by
Skyscum
August 27, 2004
0
0
Get merch