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 Blomma
Grelliant
Share definition
Flag
A mixture of the
words
"great" and "
brilliant
". So it's even better than just saying the
one
adjective.
HAPPY
BIRTHDAY
! HAVE A GRELLIANT
DAY
!
Grelliant
by
Blomma
May 12, 2011