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 ®
Browse A–Z
Add a Definition
User Settings
Definitions by Angus_for_president
Brain Baby
Share definition
Flag
Anything with an overly
large
head, or anything that looks
top
-
heavy
in any way.
Man
, did you see that psychobilly, brain baby thing over there? it's head was all
greasy
and stymie like rubber
johnny
's.
Brain Baby
by
Angus_for_president
December 27, 2007
0
0
Get merch