Skip to main content
Search Urban Dictionary
Back
Start typing to search.
Searching
...
Dictionary
Store
App
Chat
Blog
Help
Words of the Day
Browse
Add a Definition
User Settings
Definitions by notcre
mcu
Share definition
Flag
mentally challenged
undiagnosed
That guy
is so
stupid
.
Yeah, he is
definitely
mcu
mcu
by
notcre
February 17, 2010
Get the
mcu
mug.