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 house_keeper
MFS
Share definition
Flag
Moist
Fuck Stain
-abbreviation for when someone needs to descibe a particularly nasty person amongst people who do not
use
profanity
John is such an MFS - he
left
his
pregnant
girlfriend for some $
2
whore
MFS
by
house_keeper
February 10, 2009
0
0
Get merch