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 nitros124
FYSU
Share definition
Flag
"Fuck Your Shit Up." A warning that
something
can
hurt
you or otherwise decide to ruin
your life
.
He's just a little
kitty
, but
Mittens
won't hesitate to FYSU if he decides he wants to, so
keep
your distance.
FYSU
by
nitros124
December 7, 2024