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 Divine archer
BSF
Ask Urban Dictionary about BSF
Share definition
Flag
Abbreviation
of
Best friend
That’
s
my bsf
She’
s
my only
bsf
BSF
by
Divine archer
January 2, 2022
0
0
BSF
Merch