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 Seftonman
Sefton
Share definition
Flag
1. V. To mentally castrate for the purpose of enjoyment.
2. V. To destroy the
mind
and soul with unnecessary application of
useless
utilities. (i.e.
calculus
)
My
calculus
teacher decided to Sefton all of us with a mind blowing
problem
that
even
he could not solve.
Sefton
by
Seftonman
December 2, 2009
0
0
Get merch