Skip to main content
Dictionary
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 jorge rigo
SNRB
Share definition
Flag
(acronym)- School No
Reason
Boner. A random boner while sitting in
class
, for no apparent
reason
.
Man I was sittin in
class
the other
day
and out of nowhere I just got a
giant
snrb!
SNRB
by
jorge rigo
May 5, 2007