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 dd95
sylo
Share definition
Flag
Acronym
for "Support Your
Local
Outlaws". Used by members and supporters of the Outlaws motorcycle
club
.
He's not a one percenter but he wears a SYLO
shirt
to
show
his
support
.
sylo
by
dd95
April 5, 2009