Top Definition
CI
Confidential Informant; Any individual under the direction of a police officer who furnishes information about criminal activity with or without compensation; works under direction of the department; different from other concerned citizens or complainants not working under department direction and not party to the investigation itself.
My CI places you and your homies at the Quickie Mart last night when the shootings occured.
af inane5 12. februar 2005

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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)
af zoeking 6. marts 2010

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Creepy Internet Stranger
"This dude is such a C.I.S"
af Søcially_awkward 15. august 2016

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C'i
A contraction between the two words, can and I, used when one is too lazy to say them separately, thus slurring the two together.

Similar to other contractions such as I'm (I am), wouldn't (would not), and they're (they are).

Other spellings include: kai, chi, ky, k'i.
Person 1: C'i have some of that sandwhich?

Person 2: Yeah dude, here's a neeblé (see Neeblé)

Student: C'i please take a nap?

AP Statistics Teacher: Only after you learn about Chi-Squared.

Person 1: C'i get yo digits?
Person 2: Bitch, please.
af scoobgnarbler5 7. januar 2010

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c i
a slang term meaning ciggarrette used in street sub-vernacular native to the placer county area; more specifically, lincoln and roseville, CA

common pronounciations:
1.see-i
2.see-i-eeeee
1.bitch, you owe me a pack of c i's for running a train on ma hoe.

2.I bet you two c i's bitch let me supaman dat ass.
af spennyG 14. november 2007

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Short for cigarette.
"Yo Dave, can my friend Aman bum a C.I., he's all out"
af Padin Alexander 31. august 2006

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CI
Coney Island -
a coastal locality near Downpatrick, Co. Down in the north of Ireland.
CI is close to Ardglass. Van Morrison wrote the lyrics of a song about
CI and naturally he used the correct name Coney Island.
af CriostoirHulme 14. august 2005

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