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 zoeking
C.I.
Share definition
Flag
per the
criminal
justice
system
, C.I. is an acronym for
criminal
informant
"I'm gonna tell all the guys I know that you'
re
a C.I. and a rat, and I know a lot of people." - Casey Affleck (
Gone
Baby
Gone, 2007)
C.I.
by
zoeking
March 28, 2010
0
0
Get merch