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 The Mourc Man
Coister
Share definition
Flag
n
. Coister. Accidental word,
used
by Mourc. Meant to
say
the word “coastsr.” (Çöī•ßtē•r)
Mourc
:
Sometimes
I
forget
my coister
Coister
by
The Mourc Man
September 22, 2020
Mourc
Share definition
Flag
n
. mourc- a name Matt and Rob call their
friend
,
Marcus
. (mœrê•ćk)
Hey Mourc-
Matt
What
the fuck
is a Mourc?-
marcus
You- matt
Mourc
by
The Mourc Man
September 17, 2020