Skip to main content
Dictionary
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell or Share 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 Gg2fwg3h2
Fat Sunday
Share definition
Flag
A day of eating
like
a
biggie
and consuming more
food
than you can handle.
“Man
I can
’t wait for Fat
Sunday
because
I am
big!”
Fat Sunday
by
Gg2fwg3h2
October 26, 2025
Get the
Fat Sunday
mug.