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 fom man
FOM
Ask Urban Dictionary about FOM
Share definition
Flag
Fuck Off Massive - An acronym
used
when trying to emphasize the extreme
size
of
something
.
Dude
, that zombie
kid
is fom!
FOM
by
fom man
August 10, 2010
0
0
FOM
Merch