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 Gusto Shade
ren
Share definition
Flag
short
for
Serenity
; a nickname for synthetic
marijuana
.
He'
s
been on that ren for a
minute
now
!
ren
by
Gusto Shade
December 29, 2015